23463920 has 40 divisors (see below), whose sum is σ = 56035104. Its totient is φ = 9130752.

The previous prime is 23463919. The next prime is 23463941. The reversal of 23463920 is 2936432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004 + ... + 6923.

Almost surely, 2^23463920 is an apocalyptic number.

23463920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23463920 is an abundant number, since it is smaller than the sum of its proper divisors (32571184).

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

23463920 is a wasteful number, since it uses less digits than its factorization.

23463920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977 (or 7971 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 23463920 is about 4843.9570600904. The cubic root of 23463920 is about 286.2860521705.

The spelling of 23463920 in words is "twenty-three million, four hundred sixty-three thousand, nine hundred twenty".