23475573534 has 64 divisors (see below), whose sum is σ = 54272719872. Its totient is φ = 6630681600.

The previous prime is 23475573509. The next prime is 23475573593. The reversal of 23475573534 is 43537557432.

It is a happy number.

It is a super-2 number, since 2×23475573534² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4319799 + ... + 4325229.

It is an arithmetic number, because the mean of its divisors is an integer number (848011248).

Almost surely, 2^23475573534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23475573534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27136359936).

23475573534 is an abundant number, since it is smaller than the sum of its proper divisors (30797146338).

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

23475573534 is a wasteful number, since it uses less digits than its factorization.

23475573534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601.

The product of its digits is 5292000, while the sum is 48.

The spelling of 23475573534 in words is "twenty-three billion, four hundred seventy-five million, five hundred seventy-three thousand, five hundred thirty-four".