23963479 has 2 divisors, whose sum is σ = 23963480. Its totient is φ = 23963478.

The previous prime is 23963453. The next prime is 23963497. The reversal of 23963479 is 97436932.

Together with next prime (23963497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23963479 - 2¹³ = 23955287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23963419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11981739 + 11981740.

It is an arithmetic number, because the mean of its divisors is an integer number (11981740).

Almost surely, 2^23963479 is an apocalyptic number.

23963479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23963479 is an equidigital number, since it uses as much as digits as its factorization.

23963479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 23963479 is about 4895.2506575251. The cubic root of 23963479 is about 288.3035275712.

It can be divided in two parts, 23963 and 479, that added together give a palindrome (24442).

The spelling of 23963479 in words is "twenty-three million, nine hundred sixty-three thousand, four hundred seventy-nine".