23142434442 has 16 divisors (see below), whose sum is σ = 46291372320. Its totient is φ = 7713060912.

The previous prime is 23142434389. The next prime is 23142434443. The reversal of 23142434442 is 24443424132.

It is a super-3 number, since 3×23142434442³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23142434443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224092 + ... + 310647.

It is an arithmetic number, because the mean of its divisors is an integer number (2893210770).

Almost surely, 2^23142434442 is an apocalyptic number.

23142434442 is an abundant number, since it is smaller than the sum of its proper divisors (23148937878).

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

23142434442 is a wasteful number, since it uses less digits than its factorization.

23142434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541957.

The product of its digits is 73728, while the sum is 33.

Adding to 23142434442 its reverse (24443424132), we get a palindrome (47585858574).

The spelling of 23142434442 in words is "twenty-three billion, one hundred forty-two million, four hundred thirty-four thousand, four hundred forty-two".