23743760 has 20 divisors (see below), whose sum is σ = 55204428. Its totient is φ = 9497472.

The previous prime is 23743739. The next prime is 23743763. The reversal of 23743760 is 6734732.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 13808656 = 3152^2 + 3716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×23743760² = 1127532277875200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23743763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148319 + ... + 148478.

Almost surely, 2^23743760 is an apocalyptic number.

23743760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23743760 is an abundant number, since it is smaller than the sum of its proper divisors (31460668).

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

23743760 is a wasteful number, since it uses less digits than its factorization.

23743760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296810 (or 296804 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 23743760 is about 4872.7569198555. The cubic root of 23743760 is about 287.4196776245.

Subtracting from 23743760 its reverse (6734732), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 23743760 in words is "twenty-three million, seven hundred forty-three thousand, seven hundred sixty".