15012331423 has 4 divisors (see below), whose sum is σ = 15895409760. Its totient is φ = 14129253088.

The previous prime is 15012331417. The next prime is 15012331469. The reversal of 15012331423 is 32413321051.

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 15012331423 - 2¹³ = 15012323231 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 (15012331223) 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, 441539143 + ... + 441539176.

It is an arithmetic number, because the mean of its divisors is an integer number (3973852440).

Almost surely, 2^15012331423 is an apocalyptic number.

15012331423 is a deficient number, since it is larger than the sum of its proper divisors (883078337).

15012331423 is an equidigital number, since it uses as much as digits as its factorization.

15012331423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883078336.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 15012331423 its reverse (32413321051), we get a palindrome (47425652474).

The spelling of 15012331423 in words is "fifteen billion, twelve million, three hundred thirty-one thousand, four hundred twenty-three".