423770025 has 24 divisors (see below), whose sum is σ = 800724544. Its totient is φ = 193723200.

The previous prime is 423769993. The next prime is 423770027. The reversal of 423770025 is 520077324.

It is not a de Polignac number, because 423770025 - 2⁵ = 423769993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423769974 and 423770001.

It is not an unprimeable number, because it can be changed into a prime (423770027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403066 + ... + 404115.

Almost surely, 2^423770025 is an apocalyptic number.

It is an amenable number.

423770025 is a deficient number, since it is larger than the sum of its proper divisors (376954519).

423770025 is a wasteful number, since it uses less digits than its factorization.

423770025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807201 (or 807196 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 423770025 is about 20585.6752378930. The cubic root of 423770025 is about 751.1213005225.

The spelling of 423770025 in words is "four hundred twenty-three million, seven hundred seventy thousand, twenty-five".