23578002479 has 2 divisors, whose sum is σ = 23578002480. Its totient is φ = 23578002478.

The previous prime is 23578002451. The next prime is 23578002509. The reversal of 23578002479 is 97420087532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23578002479 - 2²⁰ = 23576953903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23578002439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11789001239 + 11789001240.

It is an arithmetic number, because the mean of its divisors is an integer number (11789001240).

Almost surely, 2^23578002479 is an apocalyptic number.

23578002479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23578002479 is an equidigital number, since it uses as much as digits as its factorization.

23578002479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 23578002479 in words is "twenty-three billion, five hundred seventy-eight million, two thousand, four hundred seventy-nine".