23142234434 has 32 divisors (see below), whose sum is σ = 38674091520. Its totient is φ = 10297936000.

The previous prime is 23142234433. The next prime is 23142234439. The reversal of 23142234434 is 43443224132.

It is a self number, because there is not a number n which added to its sum of digits gives 23142234434.

It is not an unprimeable number, because it can be changed into a prime (23142234431) 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, 139247 + ... + 256269.

It is an arithmetic number, because the mean of its divisors is an integer number (1208565360).

Almost surely, 2^23142234434 is an apocalyptic number.

23142234434 is a deficient number, since it is larger than the sum of its proper divisors (15531857086).

23142234434 is a wasteful number, since it uses less digits than its factorization.

23142234434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117226.

The product of its digits is 55296, while the sum is 32.

Adding to 23142234434 its reverse (43443224132), we get a palindrome (66585458566).

The spelling of 23142234434 in words is "twenty-three billion, one hundred forty-two million, two hundred thirty-four thousand, four hundred thirty-four".