23212736155 has 16 divisors (see below), whose sum is σ = 31868271360. Its totient is φ = 15900473952.

The previous prime is 23212736123. The next prime is 23212736167. The reversal of 23212736155 is 55163721232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23212736155 - 2⁵ = 23212736123 is a prime.

It is a super-2 number, since 2×23212736155² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317025 + ... + 383314.

It is an arithmetic number, because the mean of its divisors is an integer number (1991766960).

Almost surely, 2^23212736155 is an apocalyptic number.

23212736155 is a deficient number, since it is larger than the sum of its proper divisors (8655535205).

23212736155 is an equidigital number, since it uses as much as digits as its factorization.

23212736155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701298.

The product of its digits is 75600, while the sum is 37.

The spelling of 23212736155 in words is "twenty-three billion, two hundred twelve million, seven hundred thirty-six thousand, one hundred fifty-five".