23122156526 has 16 divisors (see below), whose sum is σ = 39661353600. Its totient is φ = 9903652920.

The previous prime is 23122156511. The next prime is 23122156529. The reversal of 23122156526 is 62565122132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122156529) 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, 462260 + ... + 509831.

It is an arithmetic number, because the mean of its divisors is an integer number (2478834600).

Almost surely, 2^23122156526 is an apocalyptic number.

23122156526 is a deficient number, since it is larger than the sum of its proper divisors (16539197074).

23122156526 is a wasteful number, since it uses less digits than its factorization.

23122156526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973799.

The product of its digits is 43200, while the sum is 35.

Adding to 23122156526 its reverse (62565122132), we get a palindrome (85687278658).

The spelling of 23122156526 in words is "twenty-three billion, one hundred twenty-two million, one hundred fifty-six thousand, five hundred twenty-six".