23023478 has 16 divisors (see below), whose sum is σ = 36899520. Its totient is φ = 10741896.

The previous prime is 23023471. The next prime is 23023493. The reversal of 23023478 is 87432032.

It is a self number, because there is not a number n which added to its sum of digits gives 23023478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (2306220).

Almost surely, 2^23023478 is an apocalyptic number.

23023478 is a deficient number, since it is larger than the sum of its proper divisors (13876042).

23023478 is a wasteful number, since it uses less digits than its factorization.

23023478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23023478 is about 4798.2786496826. The cubic root of 23023478 is about 284.4834307434.

The spelling of 23023478 in words is "twenty-three million, twenty-three thousand, four hundred seventy-eight".