23625315439 has 4 divisors (see below), whose sum is σ = 25773071400. Its totient is φ = 21477559480.

The previous prime is 23625315437. The next prime is 23625315451. The reversal of 23625315439 is 93451352632.

It is a happy number.

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 23625315439 - 2¹ = 23625315437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23625315395 and 23625315404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23625315431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073877964 + ... + 1073877985.

It is an arithmetic number, because the mean of its divisors is an integer number (6443267850).

Almost surely, 2^23625315439 is an apocalyptic number.

23625315439 is a deficient number, since it is larger than the sum of its proper divisors (2147755961).

23625315439 is a wasteful number, since it uses less digits than its factorization.

23625315439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147755960.

The product of its digits is 583200, while the sum is 43.

The spelling of 23625315439 in words is "twenty-three billion, six hundred twenty-five million, three hundred fifteen thousand, four hundred thirty-nine".