23413240 has 32 divisors (see below), whose sum is σ = 52818480. Its totient is φ = 9340672.

The previous prime is 23413231. The next prime is 23413249. The reversal of 23413240 is 4231432.

It is an interprime number because it is at equal distance from previous prime (23413231) and next prime (23413249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413249) 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, 26892 + ... + 27748.

Almost surely, 2^23413240 is an apocalyptic number.

23413240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23413240 is an abundant number, since it is smaller than the sum of its proper divisors (29405240).

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

23413240 is a wasteful number, since it uses less digits than its factorization.

23413240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23413240 is about 4838.7229720247. The cubic root of 23413240 is about 286.0797860434.

Adding to 23413240 its reverse (4231432), we get a palindrome (27644672).

It can be divided in two parts, 23413 and 240, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 23413240 in words is "twenty-three million, four hundred thirteen thousand, two hundred forty".