23878477 has 4 divisors (see below), whose sum is σ = 27289696. Its totient is φ = 20467260.

The previous prime is 23878471. The next prime is 23878483. The reversal of 23878477 is 77487832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23878471) and next prime (23878483).

It is a cyclic number.

It is not a de Polignac number, because 23878477 - 2³ = 23878469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878471) 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, 1705599 + ... + 1705612.

It is an arithmetic number, because the mean of its divisors is an integer number (6822424).

Almost surely, 2^23878477 is an apocalyptic number.

It is an amenable number.

23878477 is a deficient number, since it is larger than the sum of its proper divisors (3411219).

23878477 is an equidigital number, since it uses as much as digits as its factorization.

23878477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411218.

The product of its digits is 526848, while the sum is 46.

The square root of 23878477 is about 4886.5608560623. The cubic root of 23878477 is about 287.9622386512.

The spelling of 23878477 in words is "twenty-three million, eight hundred seventy-eight thousand, four hundred seventy-seven".