23775427 has 6 divisors (see below), whose sum is σ = 25745172. Its totient is φ = 21946392.

The previous prime is 23775413. The next prime is 23775457. The reversal of 23775427 is 72457732.

It is a de Polignac number, because none of the positive numbers 2^k-23775427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23775457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70173 + ... + 70510.

It is an arithmetic number, because the mean of its divisors is an integer number (4290862).

Almost surely, 2^23775427 is an apocalyptic number.

23775427 is a deficient number, since it is larger than the sum of its proper divisors (1969745).

23775427 is a wasteful number, since it uses less digits than its factorization.

23775427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140709 (or 140696 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 23775427 is about 4876.0052296937. The cubic root of 23775427 is about 287.5473978565.

The spelling of 23775427 in words is "twenty-three million, seven hundred seventy-five thousand, four hundred twenty-seven".