100623344464 has 40 divisors (see below), whose sum is σ = 200380377960. Its totient is φ = 48930816000.

The previous prime is 100623344359. The next prime is 100623344489. The reversal of 100623344464 is 464443326001.

It can be written as a sum of positive squares in 4 ways, for example, as 8462528064 + 92160816400 = 91992^2 + 303580^2 .

It is a super-2 number, since 2×100623344464² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492337 + ... + 666064.

It is an arithmetic number, because the mean of its divisors is an integer number (5009509449).

Almost surely, 2^100623344464 is an apocalyptic number.

It is an amenable number.

100623344464 is a deficient number, since it is larger than the sum of its proper divisors (99757033496).

100623344464 is a wasteful number, since it uses less digits than its factorization.

100623344464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158559 (or 1158553 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 100623344464 in words is "one hundred billion, six hundred twenty-three million, three hundred forty-four thousand, four hundred sixty-four".