22315522130123 has 4 divisors (see below), whose sum is σ = 22315546370640. Its totient is φ = 22315497889608.

The previous prime is 22315522130059. The next prime is 22315522130129. The reversal of 22315522130123 is 32103122551322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22315522130123 - 2⁶ = 22315522130059 is a prime.

It is a super-3 number, since 3×22315522130123³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22315522130123.

It is not an unprimeable number, because it can be changed into a prime (22315522130129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10682528 + ... + 12599501.

It is an arithmetic number, because the mean of its divisors is an integer number (5578886592660).

Almost surely, 2^{22315522130123} is an apocalyptic number.

22315522130123 is a deficient number, since it is larger than the sum of its proper divisors (24240517).

22315522130123 is an equidigital number, since it uses as much as digits as its factorization.

22315522130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240516.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 22315522130123 its reverse (32103122551322), we get a palindrome (54418644681445).

The spelling of 22315522130123 in words is "twenty-two trillion, three hundred fifteen billion, five hundred twenty-two million, one hundred thirty thousand, one hundred twenty-three".