123500372 has 6 divisors (see below), whose sum is σ = 216125658. Its totient is φ = 61750184.

The previous prime is 123500369. The next prime is 123500383. The reversal of 123500372 is 273005321.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 9523396 = 10676^2 + 3086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15437543 + ... + 15437550.

It is an arithmetic number, because the mean of its divisors is an integer number (36020943).

Almost surely, 2^123500372 is an apocalyptic number.

It is an amenable number.

123500372 is a deficient number, since it is larger than the sum of its proper divisors (92625286).

123500372 is a wasteful number, since it uses less digits than its factorization.

123500372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30875097 (or 30875095 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 123500372 is about 11113.0721225051. The cubic root of 123500372 is about 497.9924462438.

Adding to 123500372 its reverse (273005321), we get a palindrome (396505693).

The spelling of 123500372 in words is "one hundred twenty-three million, five hundred thousand, three hundred seventy-two".