23140232210442 has 64 divisors (see below), whose sum is σ = 49929786388224. Its totient is φ = 7122368947200.

The previous prime is 23140232210429. The next prime is 23140232210443. The reversal of 23140232210442 is 24401223204132.

It is not an unprimeable number, because it can be changed into a prime (23140232210443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129692692 + ... + 129870992.

It is an arithmetic number, because the mean of its divisors is an integer number (780152912316).

Almost surely, 2^{23140232210442} is an apocalyptic number.

23140232210442 is an abundant number, since it is smaller than the sum of its proper divisors (26789554177782).

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

23140232210442 is a wasteful number, since it uses less digits than its factorization.

23140232210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202383.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23140232210442 its reverse (24401223204132), we get a palindrome (47541455414574).

The spelling of 23140232210442 in words is "twenty-three trillion, one hundred forty billion, two hundred thirty-two million, two hundred ten thousand, four hundred forty-two".