15142344423 has 16 divisors (see below), whose sum is σ = 21119159040. Its totient is φ = 9632361024.

The previous prime is 15142344409. The next prime is 15142344433. The reversal of 15142344423 is 32444324151.

It is not a de Polignac number, because 15142344423 - 2⁸ = 15142344167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142344433) 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, 240061 + ... + 296502.

It is an arithmetic number, because the mean of its divisors is an integer number (1319947440).

Almost surely, 2^15142344423 is an apocalyptic number.

15142344423 is a deficient number, since it is larger than the sum of its proper divisors (5976814617).

15142344423 is a wasteful number, since it uses less digits than its factorization.

15142344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536998.

The product of its digits is 46080, while the sum is 33.

Adding to 15142344423 its reverse (32444324151), we get a palindrome (47586668574).

The spelling of 15142344423 in words is "fifteen billion, one hundred forty-two million, three hundred forty-four thousand, four hundred twenty-three".