123365369 has 2 divisors, whose sum is σ = 123365370. Its totient is φ = 123365368.

The previous prime is 123365327. The next prime is 123365371. The reversal of 123365369 is 963563321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 12694969 = 10520^2 + 3563^2 .

It is a cyclic number.

It is not a de Polignac number, because 123365369 - 2⁸ = 123365113 is a prime.

It is a super-2 number, since 2×123365369² = 30438028537012322, which contains 22 as substring.

Together with 123365371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123365069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61682684 + 61682685.

It is an arithmetic number, because the mean of its divisors is an integer number (61682685).

Almost surely, 2^123365369 is an apocalyptic number.

It is an amenable number.

123365369 is a deficient number, since it is larger than the sum of its proper divisors (1).

123365369 is an equidigital number, since it uses as much as digits as its factorization.

123365369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 38.

The square root of 123365369 is about 11106.9963986669. The cubic root of 123365369 is about 497.8109218607.

The spelling of 123365369 in words is "one hundred twenty-three million, three hundred sixty-five thousand, three hundred sixty-nine".