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23123410442 = 21179105112659
BaseRepresentation
bin10101100010010000…
…110011111000001010
32012200111202221212222
4111202100303320022
5334324043113232
614342302534042
71446006513536
oct254220637012
965614687788
1023123410442
119896620570
124593b97322
13224680b4b2
141195054bc6
1590508ad12
hex562433e0a

23123410442 has 32 divisors (see below), whose sum is σ = 38356761600. Its totient is φ = 10366902000.

The previous prime is 23123410441. The next prime is 23123410487. The reversal of 23123410442 is 24401432132.

It is a super-2 number, since 2×231234104422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23123410441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820309 + ... + 1832967.

It is an arithmetic number, because the mean of its divisors is an integer number (1198648800).

Almost surely, 223123410442 is an apocalyptic number.

23123410442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23123410442 is a deficient number, since it is larger than the sum of its proper divisors (15233351158).

23123410442 is a wasteful number, since it uses less digits than its factorization.

23123410442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23123410442 its reverse (24401432132), we get a palindrome (47524842574).

The spelling of 23123410442 in words is "twenty-three billion, one hundred twenty-three million, four hundred ten thousand, four hundred forty-two".

Divisors: 1 2 11 22 79 158 869 1051 1738 2102 11561 12659 23122 25318 83029 139249 166058 278498 913319 1000061 1826638 2000122 11000671 13304609 22001342 26609218 146350699 292701398 1051064111 2102128222 11561705221 23123410442