23054478439 has 4 divisors (see below), whose sum is σ = 23346307360. Its totient is φ = 22762649520.

The previous prime is 23054478437. The next prime is 23054478497. The reversal of 23054478439 is 93487445032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23054478439 - 2¹ = 23054478437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23054478392 and 23054478401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23054478437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145914342 + ... + 145914499.

It is an arithmetic number, because the mean of its divisors is an integer number (5836576840).

Almost surely, 2^23054478439 is an apocalyptic number.

23054478439 is a deficient number, since it is larger than the sum of its proper divisors (291828921).

23054478439 is an equidigital number, since it uses as much as digits as its factorization.

23054478439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291828920.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 23054478439 in words is "twenty-three billion, fifty-four million, four hundred seventy-eight thousand, four hundred thirty-nine".