623423158601872 has 20 divisors (see below), whose sum is σ = 1224894797536896. Its totient is φ = 307321275366560.

The previous prime is 623423158601861. The next prime is 623423158601891. The reversal of 623423158601872 is 278106851324326.

It is a super-2 number, since 2×623423158601872² (a number of 30 digits) contains 22 as substring.

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, 274393994728 + ... + 274393996999.

Almost surely, 2^{623423158601872} is an apocalyptic number.

It is an amenable number.

623423158601872 is a deficient number, since it is larger than the sum of its proper divisors (601471638935024).

623423158601872 is a wasteful number, since it uses less digits than its factorization.

623423158601872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548787991806 (or 548787991800 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 623423158601872 in words is "six hundred twenty-three trillion, four hundred twenty-three billion, one hundred fifty-eight million, six hundred one thousand, eight hundred seventy-two".