20123573344 has 48 divisors (see below), whose sum is σ = 45450332928. Its totient is φ = 8591571072.

The previous prime is 20123573321. The next prime is 20123573363. The reversal of 20123573344 is 44337532102.

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, 111882 + ... + 229705.

It is an arithmetic number, because the mean of its divisors is an integer number (946881936).

Almost surely, 2^20123573344 is an apocalyptic number.

It is an amenable number.

20123573344 is an abundant number, since it is smaller than the sum of its proper divisors (25326759584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123573344 is a wasteful number, since it uses less digits than its factorization.

20123573344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341867 (or 341859 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 20123573344 in words is "twenty billion, one hundred twenty-three million, five hundred seventy-three thousand, three hundred forty-four".