23914840 has 32 divisors (see below), whose sum is σ = 53956080. Its totient is φ = 9539712.

The previous prime is 23914799. The next prime is 23914843. The reversal of 23914840 is 4841932.

23914840 is nontrivially palindromic in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23914843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21334 + ... + 22426.

Almost surely, 2^23914840 is an apocalyptic number.

23914840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23914840 is an abundant number, since it is smaller than the sum of its proper divisors (30041240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23914840 is a wasteful number, since it uses less digits than its factorization.

23914840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 23914840 is about 4890.2801555739. The cubic root of 23914840 is about 288.1083375849.

The spelling of 23914840 in words is "twenty-three million, nine hundred fourteen thousand, eight hundred forty".