123568072 has 16 divisors (see below), whose sum is σ = 239679900. Its totient is φ = 59653440.

The previous prime is 123568063. The next prime is 123568073. The reversal of 123568072 is 270865321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116942596 + 6625476 = 10814^2 + 2574^2 .

It is not an unprimeable number, because it can be changed into a prime (123568073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266079 + ... + 266542.

Almost surely, 2^123568072 is an apocalyptic number.

It is an amenable number.

123568072 is a deficient number, since it is larger than the sum of its proper divisors (116111828).

123568072 is a wasteful number, since it uses less digits than its factorization.

123568072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532656 (or 532652 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 123568072 is about 11116.1176676032. The cubic root of 123568072 is about 498.0834255381.

The spelling of 123568072 in words is "one hundred twenty-three million, five hundred sixty-eight thousand, seventy-two".