23142033431 has 16 divisors (see below), whose sum is σ = 25946358048. Its totient is φ = 20455257600.

The previous prime is 23142033407. The next prime is 23142033449. The reversal of 23142033431 is 13433024132.

It is a de Polignac number, because none of the positive numbers 2^k-23142033431 is a prime.

It is a super-2 number, since 2×23142033431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23142033431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142033401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583571 + ... + 621963.

It is an arithmetic number, because the mean of its divisors is an integer number (1621647378).

Almost surely, 2^23142033431 is an apocalyptic number.

23142033431 is a deficient number, since it is larger than the sum of its proper divisors (2804324617).

23142033431 is a wasteful number, since it uses less digits than its factorization.

23142033431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39922.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23142033431 its reverse (13433024132), we get a palindrome (36575057563).

The spelling of 23142033431 in words is "twenty-three billion, one hundred forty-two million, thirty-three thousand, four hundred thirty-one".