23122155504 has 80 divisors (see below), whose sum is σ = 70467553280. Its totient is φ = 6393219840.

The previous prime is 23122155499. The next prime is 23122155509. The reversal of 23122155504 is 40555122132.

It is an interprime number because it is at equal distance from previous prime (23122155499) and next prime (23122155509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122155509) 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, 1099519 + ... + 1120350.

It is an arithmetic number, because the mean of its divisors is an integer number (880844416).

Almost surely, 2^23122155504 is an apocalyptic number.

23122155504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23122155504 is an abundant number, since it is smaller than the sum of its proper divisors (47345397776).

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

23122155504 is a wasteful number, since it uses less digits than its factorization.

23122155504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219918 (or 2219912 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 23122155504 its reverse (40555122132), we get a palindrome (63677277636).

The spelling of 23122155504 in words is "twenty-three billion, one hundred twenty-two million, one hundred fifty-five thousand, five hundred four".