23743872 has 48 divisors (see below), whose sum is σ = 68328780. Its totient is φ = 7914240.

The previous prime is 23743871. The next prime is 23743873. The reversal of 23743872 is 27834732.

It is an interprime number because it is at equal distance from previous prime (23743871) and next prime (23743873).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23743871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9154 + ... + 11457.

Almost surely, 2^23743872 is an apocalyptic number.

It is an amenable number.

23743872 is an abundant number, since it is smaller than the sum of its proper divisors (44584908).

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

23743872 is a wasteful number, since it uses less digits than its factorization.

23743872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20631 (or 20616 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 23743872 is about 4872.7684123094. The cubic root of 23743872 is about 287.4201295461.

The spelling of 23743872 in words is "twenty-three million, seven hundred forty-three thousand, eight hundred seventy-two".