22131001230123 has 16 divisors (see below), whose sum is σ = 29528077049856. Its totient is φ = 14743963915200.

The previous prime is 22131001230053. The next prime is 22131001230127. The reversal of 22131001230123 is 32103210013122.

It is not a de Polignac number, because 22131001230123 - 2²⁶ = 22130934121259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22131001230123.

It is not an unprimeable number, because it can be changed into a prime (22131001230127) 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, 129431815 + ... + 129602687.

It is an arithmetic number, because the mean of its divisors is an integer number (1845504815616).

Almost surely, 2^{22131001230123} is an apocalyptic number.

22131001230123 is a deficient number, since it is larger than the sum of its proper divisors (7397075819733).

22131001230123 is a wasteful number, since it uses less digits than its factorization.

22131001230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199994.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22131001230123 its reverse (32103210013122), we get a palindrome (54234211243245).

The spelling of 22131001230123 in words is "twenty-two trillion, one hundred thirty-one billion, one million, two hundred thirty thousand, one hundred twenty-three".