423756733156 has 27 divisors (see below), whose sum is σ = 746424415849. Its totient is φ = 210501573488.

The previous prime is 423756733109. The next prime is 423756733163. The reversal of 423756733156 is 651337657324.

The square root of 423756733156 is 650966.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 341249915556 + 82506817600 = 584166^2 + 287240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 217421670 + ... + 217423618.

Almost surely, 2^423756733156 is an apocalyptic number.

423756733156 is the 650966-th square number.

It is an amenable number.

423756733156 is a deficient number, since it is larger than the sum of its proper divisors (322667682693).

423756733156 is an frugal number, since it uses more digits than its factorization.

423756733156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 2118 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 52.

The spelling of 423756733156 in words is "four hundred twenty-three billion, seven hundred fifty-six million, seven hundred thirty-three thousand, one hundred fifty-six".