123574973 has 2 divisors, whose sum is σ = 123574974. Its totient is φ = 123574972.

The previous prime is 123574949. The next prime is 123574999. The reversal of 123574973 is 379475321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115498009 + 8076964 = 10747^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 123574973 - 2¹⁸ = 123312829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123574973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123574903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61787486 + 61787487.

It is an arithmetic number, because the mean of its divisors is an integer number (61787487).

Almost surely, 2^123574973 is an apocalyptic number.

It is an amenable number.

123574973 is a deficient number, since it is larger than the sum of its proper divisors (1).

123574973 is an equidigital number, since it uses as much as digits as its factorization.

123574973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 123574973 is about 11116.4280684040. The cubic root of 123574973 is about 498.0926976467.

The spelling of 123574973 in words is "one hundred twenty-three million, five hundred seventy-four thousand, nine hundred seventy-three".