423256938724 has 27 divisors (see below), whose sum is σ = 744496547977. Its totient is φ = 210549153824.

The previous prime is 423256938683. The next prime is 423256938733. The reversal of 423256938724 is 427839652324.

The square root of 423256938724 is 650582.

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., 351020700900 + 72236237824 = 592470^2 + 268768^2 .

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, 295363512 + ... + 295364944.

Almost surely, 2^423256938724 is an apocalyptic number.

423256938724 is the 650582-nd square number.

It is an amenable number.

423256938724 is a deficient number, since it is larger than the sum of its proper divisors (321239609253).

423256938724 is an frugal number, since it uses more digits than its factorization.

423256938724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 1662 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 423256938724 in words is "four hundred twenty-three billion, two hundred fifty-six million, nine hundred thirty-eight thousand, seven hundred twenty-four".