23512324531 has 4 divisors (see below), whose sum is σ = 23524100352. Its totient is φ = 23500548712.

The previous prime is 23512324529. The next prime is 23512324543. The reversal of 23512324531 is 13542321532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23512324531 - 2¹ = 23512324529 is a prime.

It is a super-2 number, since 2×23512324531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23512324493 and 23512324502.

It is not an unprimeable number, because it can be changed into a prime (23512324831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5884915 + ... + 5888908.

It is an arithmetic number, because the mean of its divisors is an integer number (5881025088).

Almost surely, 2^23512324531 is an apocalyptic number.

23512324531 is a deficient number, since it is larger than the sum of its proper divisors (11775821).

23512324531 is a wasteful number, since it uses less digits than its factorization.

23512324531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11775820.

The product of its digits is 21600, while the sum is 31.

The spelling of 23512324531 in words is "twenty-three billion, five hundred twelve million, three hundred twenty-four thousand, five hundred thirty-one".