23513523415 has 8 divisors (see below), whose sum is σ = 29443020768. Its totient is φ = 17992956960.

The previous prime is 23513523409. The next prime is 23513523419. The reversal of 23513523415 is 51432531532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23513523415 - 2¹⁵ = 23513490647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23513523419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102232596 + ... + 102232825.

It is an arithmetic number, because the mean of its divisors is an integer number (3680377596).

Almost surely, 2^23513523415 is an apocalyptic number.

23513523415 is a deficient number, since it is larger than the sum of its proper divisors (5929497353).

23513523415 is a wasteful number, since it uses less digits than its factorization.

23513523415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204465449.

The product of its digits is 54000, while the sum is 34.

The spelling of 23513523415 in words is "twenty-three billion, five hundred thirteen million, five hundred twenty-three thousand, four hundred fifteen".