23513745955329 has 32 divisors (see below), whose sum is σ = 39812876144640. Its totient is φ = 13436006821776.

The previous prime is 23513745955319. The next prime is 23513745955367. The reversal of 23513745955329 is 92355954731532.

23513745955329 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 3 + 7 + 4 + 5 + 95 + 532 + 9 = 666.

It is not a de Polignac number, because 23513745955329 - 2⁹ = 23513745954817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (23513745955319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4179574 + ... + 8030960.

It is an arithmetic number, because the mean of its divisors is an integer number (1244152379520).

Almost surely, 2^{23513745955329} is an apocalyptic number.

It is an amenable number.

23513745955329 is a deficient number, since it is larger than the sum of its proper divisors (16299130189311).

23513745955329 is a wasteful number, since it uses less digits than its factorization.

23513745955329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883706 (or 3883700 counting only the distinct ones).

The product of its digits is 153090000, while the sum is 63.

It can be divided in two parts, 235137 and 45955329, that added together give a triangular number (46190466 = T₉₆₁₁).

The spelling of 23513745955329 in words is "twenty-three trillion, five hundred thirteen billion, seven hundred forty-five million, nine hundred fifty-five thousand, three hundred twenty-nine".