15942323271 has 16 divisors (see below), whose sum is σ = 24704812800. Its totient is φ = 8955493248.

The previous prime is 15942323269. The next prime is 15942323321. The reversal of 15942323271 is 17232324951.

It is a happy number.

It is not a de Polignac number, because 15942323271 - 2¹ = 15942323269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15942323071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6432306 + ... + 6434783.

It is an arithmetic number, because the mean of its divisors is an integer number (1544050800).

Almost surely, 2^15942323271 is an apocalyptic number.

15942323271 is a deficient number, since it is larger than the sum of its proper divisors (8762489529).

15942323271 is a wasteful number, since it uses less digits than its factorization.

15942323271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867158.

The product of its digits is 90720, while the sum is 39.

The spelling of 15942323271 in words is "fifteen billion, nine hundred forty-two million, three hundred twenty-three thousand, two hundred seventy-one".