23013215142 has 32 divisors (see below), whose sum is σ = 46838145024. Its totient is φ = 7536093600.

The previous prime is 23013215101. The next prime is 23013215143. The reversal of 23013215142 is 24151231032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013215143) 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, 264667 + ... + 340697.

It is an arithmetic number, because the mean of its divisors is an integer number (1463692032).

Almost surely, 2^23013215142 is an apocalyptic number.

23013215142 is an abundant number, since it is smaller than the sum of its proper divisors (23824929882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23013215142 is a wasteful number, since it uses less digits than its factorization.

23013215142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76924.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23013215142 its reverse (24151231032), we get a palindrome (47164446174).

The spelling of 23013215142 in words is "twenty-three billion, thirteen million, two hundred fifteen thousand, one hundred forty-two".