23494478 has 16 divisors (see below), whose sum is σ = 40763520. Its totient is φ = 9947256.

The previous prime is 23494463. The next prime is 23494481. The reversal of 23494478 is 87449432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8948 + ... + 11271.

It is an arithmetic number, because the mean of its divisors is an integer number (2547720).

Almost surely, 2^23494478 is an apocalyptic number.

23494478 is a deficient number, since it is larger than the sum of its proper divisors (17269042).

23494478 is a wasteful number, since it uses less digits than its factorization.

23494478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311.

The product of its digits is 193536, while the sum is 41.

The square root of 23494478 is about 4847.1102731421. The cubic root of 23494478 is about 286.4102788437.

The spelling of 23494478 in words is "twenty-three million, four hundred ninety-four thousand, four hundred seventy-eight".