23940651 has 16 divisors (see below), whose sum is σ = 36819200. Its totient is φ = 13553568.

The previous prime is 23940647. The next prime is 23940659. The reversal of 23940651 is 15604932.

It is not a de Polignac number, because 23940651 - 2² = 23940647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23940659) 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, 2941 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (2301200).

Almost surely, 2^23940651 is an apocalyptic number.

23940651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23940651 is a deficient number, since it is larger than the sum of its proper divisors (12878549).

23940651 is a wasteful number, since it uses less digits than its factorization.

23940651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23940651 is about 4892.9184542561. The cubic root of 23940651 is about 288.2119509421.

The spelling of 23940651 in words is "twenty-three million, nine hundred forty thousand, six hundred fifty-one".