23213288475 has 384 divisors, whose sum is σ = 51296716800. Its totient is φ = 10189670400.

The previous prime is 23213288443. The next prime is 23213288507. The reversal of 23213288475 is 57488231232.

23213288475 is a `hidden beast` number, since 2 + 321 + 3 + 288 + 47 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (23213288443) and next prime (23213288507).

It is not a de Polignac number, because 23213288475 - 2⁵ = 23213288443 is a prime.

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 23213288475.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 326947690 + ... + 326947760.

It is an arithmetic number, because the mean of its divisors is an integer number (133585200).

Almost surely, 2^23213288475 is an apocalyptic number.

23213288475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23213288475 is an abundant number, since it is smaller than the sum of its proper divisors (28083428325).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23213288475 is a wasteful number, since it uses less digits than its factorization.

23213288475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 201 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 23213288475 in words is "twenty-three billion, two hundred thirteen million, two hundred eighty-eight thousand, four hundred seventy-five".