23361439 has 2 divisors, whose sum is σ = 23361440. Its totient is φ = 23361438.

The previous prime is 23361421. The next prime is 23361449. The reversal of 23361439 is 93416332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23361439 - 2⁵ = 23361407 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23361439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23361409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11680719 + 11680720.

It is an arithmetic number, because the mean of its divisors is an integer number (11680720).

Almost surely, 2^23361439 is an apocalyptic number.

23361439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23361439 is an equidigital number, since it uses as much as digits as its factorization.

23361439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 23361439 is about 4833.3672527545. The cubic root of 23361439 is about 285.8686496457.

The spelling of 23361439 in words is "twenty-three million, three hundred sixty-one thousand, four hundred thirty-nine".