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23230505303 = 291017931207
BaseRepresentation
bin10101101000101001…
…010110000101010111
32012221222021221102022
4111220221112011113
5340034002132203
614401050203355
71451450015465
oct255051260527
965858257368
1023230505303
119941018515
124603a2355b
132262a67435
1411a5371835
1590e692a38
hex568a56157

23230505303 has 8 divisors (see below), whose sum is σ = 24269496480. Its totient is φ = 22207376800.

The previous prime is 23230505281. The next prime is 23230505327. The reversal of 23230505303 is 30350503232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23230505303 - 28 = 23230505047 is a prime.

It is a super-2 number, since 2×232305053032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230505393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3962675 + ... + 3968532.

It is an arithmetic number, because the mean of its divisors is an integer number (3033687060).

Almost surely, 223230505303 is an apocalyptic number.

23230505303 is a deficient number, since it is larger than the sum of its proper divisors (1038991177).

23230505303 is a wasteful number, since it uses less digits than its factorization.

23230505303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931337.

The product of its (nonzero) digits is 8100, while the sum is 26.

The spelling of 23230505303 in words is "twenty-three billion, two hundred thirty million, five hundred five thousand, three hundred three".

Divisors: 1 29 101 2929 7931207 230005003 801051907 23230505303