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10523123430 = 2353187110063
BaseRepresentation
bin10011100110011101…
…00001111011100110
31000011101010001120020
421303032201323212
5133022404422210
64500111020010
7521526034101
oct116316417346
930141101506
1010523123430
114510035426
12205820a606
13cb91aa571
1471b817738
15418c92770
hex2733a1ee6

10523123430 has 32 divisors (see below), whose sum is σ = 25263650304. Its totient is φ = 2805260256.

The previous prime is 10523123423. The next prime is 10523123449. The reversal of 10523123430 is 3432132501.

It is a super-2 number, since 2×105231234302 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10523123430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40579 + ... + 150641.

It is an arithmetic number, because the mean of its divisors is an integer number (789489072).

Almost surely, 210523123430 is an apocalyptic number.

10523123430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10523123430 is an abundant number, since it is smaller than the sum of its proper divisors (14740526874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10523123430 is a wasteful number, since it uses less digits than its factorization.

10523123430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113260.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 10523123430 its reverse (3432132501), we get a palindrome (13955255931).

The spelling of 10523123430 in words is "ten billion, five hundred twenty-three million, one hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3187 6374 9561 15935 19122 31870 47805 95610 110063 220126 330189 550315 660378 1100630 1650945 3301890 350770781 701541562 1052312343 1753853905 2104624686 3507707810 5261561715 10523123430