123331973 has 2 divisors, whose sum is σ = 123331974. Its totient is φ = 123331972.

The previous prime is 123331969. The next prime is 123331993. The reversal of 123331973 is 379133321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80586529 + 42745444 = 8977^2 + 6538^2 .

It is a cyclic number.

It is not a de Polignac number, because 123331973 - 2² = 123331969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123331903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665986 + 61665987.

It is an arithmetic number, because the mean of its divisors is an integer number (61665987).

Almost surely, 2^123331973 is an apocalyptic number.

It is an amenable number.

123331973 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331973 is an equidigital number, since it uses as much as digits as its factorization.

123331973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 32.

The square root of 123331973 is about 11105.4929201724. The cubic root of 123331973 is about 497.7659973300.

The spelling of 123331973 in words is "one hundred twenty-three million, three hundred thirty-one thousand, nine hundred seventy-three".