23474040 has 64 divisors (see below), whose sum is σ = 70848000. Its totient is φ = 6221952.

The previous prime is 23474039. The next prime is 23474047. The reversal of 23474040 is 4047432.

It is a super-3 number, since 3×23474040³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23474040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23474047) 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, 23389 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (1107000).

Almost surely, 2^23474040 is an apocalyptic number.

23474040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23474040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35424000).

23474040 is an abundant number, since it is smaller than the sum of its proper divisors (47373960).

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

23474040 is a wasteful number, since it uses less digits than its factorization.

23474040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 23474040 is about 4845.0015479874. The cubic root of 23474040 is about 286.3272046921.

The spelling of 23474040 in words is "twenty-three million, four hundred seventy-four thousand, forty".