423156404 has 12 divisors (see below), whose sum is σ = 807844128. Its totient is φ = 192343800.

The previous prime is 423156373. The next prime is 423156413. The reversal of 423156404 is 404651324.

It is a super-2 number, since 2×423156404² = 358122684492422432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808552 + ... + 4808639.

It is an arithmetic number, because the mean of its divisors is an integer number (67320344).

Almost surely, 2^423156404 is an apocalyptic number.

423156404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423156404 is a deficient number, since it is larger than the sum of its proper divisors (384687724).

423156404 is a wasteful number, since it uses less digits than its factorization.

423156404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617206 (or 9617204 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423156404 is about 20570.7657611475. The cubic root of 423156404 is about 750.7585829956.

The spelling of 423156404 in words is "four hundred twenty-three million, one hundred fifty-six thousand, four hundred four".