15001423313 has 4 divisors (see below), whose sum is σ = 15001704960. Its totient is φ = 15001141668.

The previous prime is 15001423309. The next prime is 15001423379. The reversal of 15001423313 is 31332410051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31332410051 = 137 ⋅228703723.

It is a cyclic number.

It is not a de Polignac number, because 15001423313 - 2² = 15001423309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15001423813) 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, 33833 + ... + 176486.

It is an arithmetic number, because the mean of its divisors is an integer number (3750426240).

Almost surely, 2^15001423313 is an apocalyptic number.

It is an amenable number.

15001423313 is a deficient number, since it is larger than the sum of its proper divisors (281647).

15001423313 is an equidigital number, since it uses as much as digits as its factorization.

15001423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281646.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 15001423313 its reverse (31332410051), we get a palindrome (46333833364).

The spelling of 15001423313 in words is "fifteen billion, one million, four hundred twenty-three thousand, three hundred thirteen".