623131543977 has 8 divisors (see below), whose sum is σ = 841359047040. Its totient is φ = 410162535120.

The previous prime is 623131543973. The next prime is 623131544039. The reversal of 623131543977 is 779345131326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 623131543977 - 2² = 623131543973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623131543973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314623274 + ... + 1314623747.

It is an arithmetic number, because the mean of its divisors is an integer number (105169880880).

Almost surely, 2^623131543977 is an apocalyptic number.

It is an amenable number.

623131543977 is a deficient number, since it is larger than the sum of its proper divisors (218227503063).

623131543977 is a wasteful number, since it uses less digits than its factorization.

623131543977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629247103.

The product of its digits is 2857680, while the sum is 51.

The spelling of 623131543977 in words is "six hundred twenty-three billion, one hundred thirty-one million, five hundred forty-three thousand, nine hundred seventy-seven".