400825023 has 16 divisors (see below), whose sum is σ = 541005696. Its totient is φ = 263949920.

The previous prime is 400825013. The next prime is 400825027. The reversal of 400825023 is 320528004.

It is a cyclic number.

It is not a de Polignac number, because 400825023 - 2¹⁰ = 400823999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400824984 and 400825002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400825027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86965 + ... + 91457.

It is an arithmetic number, because the mean of its divisors is an integer number (33812856).

Almost surely, 2^400825023 is an apocalyptic number.

400825023 is a deficient number, since it is larger than the sum of its proper divisors (140180673).

400825023 is a wasteful number, since it uses less digits than its factorization.

400825023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 400825023 is about 20020.6149505953. The cubic root of 400825023 is about 737.3125203043.

The spelling of 400825023 in words is "four hundred million, eight hundred twenty-five thousand, twenty-three".