23578002439 has 2 divisors, whose sum is σ = 23578002440. Its totient is φ = 23578002438.

The previous prime is 23578002407. The next prime is 23578002451. The reversal of 23578002439 is 93420087532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23578002439 - 2⁵ = 23578002407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23578002395 and 23578002404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23578002479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11789001219 + 11789001220.

It is an arithmetic number, because the mean of its divisors is an integer number (11789001220).

Almost surely, 2^23578002439 is an apocalyptic number.

23578002439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23578002439 is an equidigital number, since it uses as much as digits as its factorization.

23578002439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 23578002439 in words is "twenty-three billion, five hundred seventy-eight million, two thousand, four hundred thirty-nine".