623550188824342 has 96 divisors (see below), whose sum is σ = 1032596586285120. Its totient is φ = 282198988431360.

The previous prime is 623550188824279. The next prime is 623550188824349. The reversal of 623550188824342 is 243428881055326.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623550188824349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35801230818 + ... + 35801248234.

It is an arithmetic number, because the mean of its divisors is an integer number (10756214440470).

Almost surely, 2^{623550188824342} is an apocalyptic number.

623550188824342 is a deficient number, since it is larger than the sum of its proper divisors (409046397460778).

623550188824342 is a wasteful number, since it uses less digits than its factorization.

623550188824342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22778 (or 22765 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 61.

The spelling of 623550188824342 in words is "six hundred twenty-three trillion, five hundred fifty billion, one hundred eighty-eight million, eight hundred twenty-four thousand, three hundred forty-two".