15625002323 has 8 divisors (see below), whose sum is σ = 18433182720. Its totient is φ = 12960831240.

The previous prime is 15625002299. The next prime is 15625002347. The reversal of 15625002323 is 32320052651.

It is an interprime number because it is at equal distance from previous prime (15625002299) and next prime (15625002347).

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

It is not a de Polignac number, because 15625002323 - 2⁸ = 15625002067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15625002353) 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, 36002093 + ... + 36002526.

It is an arithmetic number, because the mean of its divisors is an integer number (2304147840).

Almost surely, 2^15625002323 is an apocalyptic number.

15625002323 is a deficient number, since it is larger than the sum of its proper divisors (2808180397).

15625002323 is an equidigital number, since it uses as much as digits as its factorization.

15625002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72004657.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 15625002323 its reverse (32320052651), we get a palindrome (47945054974).

The spelling of 15625002323 in words is "fifteen billion, six hundred twenty-five million, two thousand, three hundred twenty-three".