23843415539 has 2 divisors, whose sum is σ = 23843415540. Its totient is φ = 23843415538.

The previous prime is 23843415529. The next prime is 23843415551. The reversal of 23843415539 is 93551434832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23843415539 - 2⁴ = 23843415523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23843415493 and 23843415502.

It is not a weakly prime, because it can be changed into another prime (23843415529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11921707769 + 11921707770.

It is an arithmetic number, because the mean of its divisors is an integer number (11921707770).

Almost surely, 2^23843415539 is an apocalyptic number.

23843415539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23843415539 is an equidigital number, since it uses as much as digits as its factorization.

23843415539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 47.

The spelling of 23843415539 in words is "twenty-three billion, eight hundred forty-three million, four hundred fifteen thousand, five hundred thirty-nine".