23213471745475 has 12 divisors (see below), whose sum is σ = 31401496325160. Its totient is φ = 16882524905600.

The previous prime is 23213471745469. The next prime is 23213471745551. The reversal of 23213471745475 is 57454717431232.

It is a de Polignac number, because none of the positive numbers 2^k-23213471745475 is a prime.

It is a super-2 number, since 2×23213471745475² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42206311990 + ... + 42206312539.

It is an arithmetic number, because the mean of its divisors is an integer number (2616791360430).

Almost surely, 2^{23213471745475} is an apocalyptic number.

23213471745475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23213471745475 is a deficient number, since it is larger than the sum of its proper divisors (8188024579685).

23213471745475 is a wasteful number, since it uses less digits than its factorization.

23213471745475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84412624550 (or 84412624545 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 55.

The spelling of 23213471745475 in words is "twenty-three trillion, two hundred thirteen billion, four hundred seventy-one million, seven hundred forty-five thousand, four hundred seventy-five".