23013478 has 16 divisors (see below), whose sum is σ = 38141280. Its totient is φ = 10358656.

The previous prime is 23013449. The next prime is 23013479. The reversal of 23013478 is 87431032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13933 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (2383830).

Almost surely, 2^23013478 is an apocalyptic number.

23013478 is a deficient number, since it is larger than the sum of its proper divisors (15127802).

23013478 is a wasteful number, since it uses less digits than its factorization.

23013478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29471.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23013478 is about 4797.2364961507. The cubic root of 23013478 is about 284.4422373396.

The spelling of 23013478 in words is "twenty-three million, thirteen thousand, four hundred seventy-eight".