23542631 has 4 divisors (see below), whose sum is σ = 26905872. Its totient is φ = 20179392.

The previous prime is 23542601. The next prime is 23542657. The reversal of 23542631 is 13624532.

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 23542631 - 2¹⁰ = 23541607 is a prime.

It is a super-2 number, since 2×23542631² = 1108510948804322, which contains 22 as substring.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 23542631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23542601) 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, 1681610 + ... + 1681623.

It is an arithmetic number, because the mean of its divisors is an integer number (6726468).

Almost surely, 2^23542631 is an apocalyptic number.

23542631 is a deficient number, since it is larger than the sum of its proper divisors (3363241).

23542631 is an equidigital number, since it uses as much as digits as its factorization.

23542631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363240.

The product of its digits is 4320, while the sum is 26.

The square root of 23542631 is about 4852.0749169814. The cubic root of 23542631 is about 286.6058156099.

The spelling of 23542631 in words is "twenty-three million, five hundred forty-two thousand, six hundred thirty-one".