23474920 has 128 divisors (see below), whose sum is σ = 64800000. Its totient is φ = 7639296.

The previous prime is 23474917. The next prime is 23474921. The reversal of 23474920 is 2947432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23474921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397851 + ... + 397909.

It is an arithmetic number, because the mean of its divisors is an integer number (506250).

Almost surely, 2^23474920 is an apocalyptic number.

23474920 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 23474920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32400000).

23474920 is an abundant number, since it is smaller than the sum of its proper divisors (41325080).

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

23474920 is a wasteful number, since it uses less digits than its factorization.

23474920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23474920 is about 4845.0923623807. The cubic root of 23474920 is about 286.3307826133.

The spelling of 23474920 in words is "twenty-three million, four hundred seventy-four thousand, nine hundred twenty".