23379457 has 2 divisors, whose sum is σ = 23379458. Its totient is φ = 23379456.

The previous prime is 23379451. The next prime is 23379493. The reversal of 23379457 is 75497332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 712336 = 4761^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23379457 is a prime.

It is a super-2 number, since 2×23379457² = 1093198019229698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23379451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11689728 + 11689729.

It is an arithmetic number, because the mean of its divisors is an integer number (11689729).

Almost surely, 2^23379457 is an apocalyptic number.

It is an amenable number.

23379457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23379457 is an equidigital number, since it uses as much as digits as its factorization.

23379457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 40.

The square root of 23379457 is about 4835.2308114505. The cubic root of 23379457 is about 285.9421248239.

The spelling of 23379457 in words is "twenty-three million, three hundred seventy-nine thousand, four hundred fifty-seven".