23389479 has 24 divisors (see below), whose sum is σ = 35420112. Its totient is φ = 15422400.

The previous prime is 23389417. The next prime is 23389507. The reversal of 23389479 is 97498332.

It is a happy number.

It is not a de Polignac number, because 23389479 - 2¹⁶ = 23323943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23389279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24067 + ... + 25019.

It is an arithmetic number, because the mean of its divisors is an integer number (1475838).

Almost surely, 2^23389479 is an apocalyptic number.

23389479 is a deficient number, since it is larger than the sum of its proper divisors (12030633).

23389479 is an equidigital number, since it uses as much as digits as its factorization.

23389479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1057 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23389479 is about 4836.2670521798. The cubic root of 23389479 is about 285.9829769645.

The spelling of 23389479 in words is "twenty-three million, three hundred eighty-nine thousand, four hundred seventy-nine".