23773825 has 6 divisors (see below), whose sum is σ = 29479574. Its totient is φ = 19019040.

The previous prime is 23773819. The next prime is 23773831. The reversal of 23773825 is 52837732.

It is an interprime number because it is at equal distance from previous prime (23773819) and next prime (23773831).

It can be written as a sum of positive squares in 3 ways, for example, as 1106704 + 22667121 = 1052^2 + 4761^2 .

It is not a de Polignac number, because 23773825 - 2¹³ = 23765633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475452 + ... + 475501.

Almost surely, 2^23773825 is an apocalyptic number.

23773825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23773825 is a deficient number, since it is larger than the sum of its proper divisors (5705749).

23773825 is an equidigital number, since it uses as much as digits as its factorization.

23773825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950963 (or 950958 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 23773825 is about 4875.8409531075. The cubic root of 23773825 is about 287.5409393496.

The spelling of 23773825 in words is "twenty-three million, seven hundred seventy-three thousand, eight hundred twenty-five".