123722231132 has 24 divisors (see below), whose sum is σ = 220078076736. Its totient is φ = 60847400448.

The previous prime is 123722231111. The next prime is 123722231161. The reversal of 123722231132 is 231132227321.

123722231132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123722231095 and 123722231104.

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, 470093 + ... + 684420.

It is an arithmetic number, because the mean of its divisors is an integer number (9169919864).

Almost surely, 2^123722231132 is an apocalyptic number.

It is an amenable number.

123722231132 is a deficient number, since it is larger than the sum of its proper divisors (96355845604).

123722231132 is a wasteful number, since it uses less digits than its factorization.

123722231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154957 (or 1154955 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

Adding to 123722231132 its reverse (231132227321), we get a palindrome (354854458453).

The spelling of 123722231132 in words is "one hundred twenty-three billion, seven hundred twenty-two million, two hundred thirty-one thousand, one hundred thirty-two".