123232913 has 2 divisors, whose sum is σ = 123232914. Its totient is φ = 123232912.

The previous prime is 123232909. The next prime is 123232933. The reversal of 123232913 is 319232321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 60949249 = 7892^2 + 7807^2 .

It is an emirp because it is prime and its reverse (319232321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123232913 - 2² = 123232909 is a prime.

It is not a weakly prime, because it can be changed into another prime (123232933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616456 + 61616457.

It is an arithmetic number, because the mean of its divisors is an integer number (61616457).

Almost surely, 2^123232913 is an apocalyptic number.

It is an amenable number.

123232913 is a deficient number, since it is larger than the sum of its proper divisors (1).

123232913 is an equidigital number, since it uses as much as digits as its factorization.

123232913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 123232913 is about 11101.0320691366. The cubic root of 123232913 is about 497.6326934080.

The spelling of 123232913 in words is "one hundred twenty-three million, two hundred thirty-two thousand, nine hundred thirteen".