23031615534 has 32 divisors (see below), whose sum is σ = 46507335840. Its totient is φ = 7603448832.

The previous prime is 23031615527. The next prime is 23031615539. The reversal of 23031615534 is 43551613032.

It is a junction number, because it is equal to n+sod(n) for n = 23031615495 and 23031615504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031615539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323572 + ... + 388280.

It is an arithmetic number, because the mean of its divisors is an integer number (1453354245).

Almost surely, 2^23031615534 is an apocalyptic number.

23031615534 is an abundant number, since it is smaller than the sum of its proper divisors (23475720306).

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

23031615534 is a wasteful number, since it uses less digits than its factorization.

23031615534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65284.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 23031615534 in words is "twenty-three billion, thirty-one million, six hundred fifteen thousand, five hundred thirty-four".