23185110355 has 32 divisors (see below), whose sum is σ = 30562398720. Its totient is φ = 16745114880.

The previous prime is 23185110337. The next prime is 23185110401. The reversal of 23185110355 is 55301158132.

It is not a de Polignac number, because 23185110355 - 2⁷ = 23185110227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23185110355.

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 31 ways as a sum of consecutive naturals, for example, 4869466 + ... + 4874224.

It is an arithmetic number, because the mean of its divisors is an integer number (955074960).

Almost surely, 2^23185110355 is an apocalyptic number.

23185110355 is a deficient number, since it is larger than the sum of its proper divisors (7377288365).

23185110355 is a wasteful number, since it uses less digits than its factorization.

23185110355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 23185110355 its reverse (55301158132), we get a palindrome (78486268487).

The spelling of 23185110355 in words is "twenty-three billion, one hundred eighty-five million, one hundred ten thousand, three hundred fifty-five".