23767964 has 12 divisors (see below), whose sum is σ = 45375288. Its totient is φ = 10803600.

The previous prime is 23767937. The next prime is 23767967. The reversal of 23767964 is 46976732.

It is a happy number.

It is a super-2 number, since 2×23767964² = 1129832225410592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 540181 = 23767964 / (2 + 3 + 7 + 6 + 7 + 9 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23767967) 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, 270047 + ... + 270134.

It is an arithmetic number, because the mean of its divisors is an integer number (3781274).

Almost surely, 2^23767964 is an apocalyptic number.

It is an amenable number.

23767964 is a deficient number, since it is larger than the sum of its proper divisors (21607324).

23767964 is a wasteful number, since it uses less digits than its factorization.

23767964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540196 (or 540194 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 23767964 is about 4875.2398915335. The cubic root of 23767964 is about 287.5173080947.

The spelling of 23767964 in words is "twenty-three million, seven hundred sixty-seven thousand, nine hundred sixty-four".