23442140134022 has 4 divisors (see below), whose sum is σ = 35163210201036. Its totient is φ = 11721070067010.

The previous prime is 23442140133953. The next prime is 23442140134027. The reversal of 23442140134022 is 22043104124432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23442140134022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442140134027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5860535033504 + ... + 5860535033507.

It is an arithmetic number, because the mean of its divisors is an integer number (8790802550259).

Almost surely, 2^{23442140134022} is an apocalyptic number.

23442140134022 is a deficient number, since it is larger than the sum of its proper divisors (11721070067014).

23442140134022 is a wasteful number, since it uses less digits than its factorization.

23442140134022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721070067013.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 23442140134022 its reverse (22043104124432), we get a palindrome (45485244258454).

The spelling of 23442140134022 in words is "twenty-three trillion, four hundred forty-two billion, one hundred forty million, one hundred thirty-four thousand, twenty-two".