23742631 has 8 divisors (see below), whose sum is σ = 25956864. Its totient is φ = 21537720.

The previous prime is 23742629. The next prime is 23742679. The reversal of 23742631 is 13624732.

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 23742631 - 2¹ = 23742629 is a prime.

It is a super-2 number, since 2×23742631² = 1127425053604322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23742631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23742031) 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, 3690 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (3244608).

Almost surely, 2^23742631 is an apocalyptic number.

23742631 is a deficient number, since it is larger than the sum of its proper divisors (2214233).

23742631 is a wasteful number, since it uses less digits than its factorization.

23742631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its digits is 6048, while the sum is 28.

The square root of 23742631 is about 4872.6410703026. The cubic root of 23742631 is about 287.4151220141.

It can be divided in two parts, 2374 and 2631, that added together give a palindrome (5005).

The spelling of 23742631 in words is "twenty-three million, seven hundred forty-two thousand, six hundred thirty-one".