23622431 has 8 divisors (see below), whose sum is σ = 27031200. Its totient is φ = 20222208.

The previous prime is 23622427. The next prime is 23622439. The reversal of 23622431 is 13422632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23622431 - 2² = 23622427 is a prime.

It is a super-2 number, since 2×23622431² = 1116038492699522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23622397 and 23622406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (3378900).

Almost surely, 2^23622431 is an apocalyptic number.

23622431 is a deficient number, since it is larger than the sum of its proper divisors (3408769).

23622431 is a wasteful number, since it uses less digits than its factorization.

23622431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its digits is 1728, while the sum is 23.

The square root of 23622431 is about 4860.2912464172. The cubic root of 23622431 is about 286.9292763612.

The spelling of 23622431 in words is "twenty-three million, six hundred twenty-two thousand, four hundred thirty-one".