23963478 has 32 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 6224160.

The previous prime is 23963453. The next prime is 23963479. The reversal of 23963478 is 87436932.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23963479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25473 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^23963478 is an apocalyptic number.

23963478 is an abundant number, since it is smaller than the sum of its proper divisors (35790762).

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

23963478 is a wasteful number, since it uses less digits than its factorization.

23963478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51892.

The product of its digits is 217728, while the sum is 42.

The square root of 23963478 is about 4895.2505553853. The cubic root of 23963478 is about 288.3035235609.

The spelling of 23963478 in words is "twenty-three million, nine hundred sixty-three thousand, four hundred seventy-eight".