23251106072655 has 48 divisors (see below), whose sum is σ = 41795185496064. Its totient is φ = 12400410489120.

The previous prime is 23251106072647. The next prime is 23251106072681. The reversal of 23251106072655 is 55627060115232.

It is a happy number.

23251106072655 is a `hidden beast` number, since 2 + 3 + 2 + 5 + 1 + 10 + 607 + 26 + 5 + 5 = 666.

It is not a de Polignac number, because 23251106072655 - 2³ = 23251106072647 is a prime.

It is a super-2 number, since 2×23251106072655² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23251106072655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161628810 + ... + 161772600.

It is an arithmetic number, because the mean of its divisors is an integer number (870733031168).

Almost surely, 2^{23251106072655} is an apocalyptic number.

23251106072655 is a deficient number, since it is larger than the sum of its proper divisors (18544079423409).

23251106072655 is a wasteful number, since it uses less digits than its factorization.

23251106072655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276898 (or 276886 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

Adding to 23251106072655 its reverse (55627060115232), we get a palindrome (78878166187887).

The spelling of 23251106072655 in words is "twenty-three trillion, two hundred fifty-one billion, one hundred six million, seventy-two thousand, six hundred fifty-five".