22145121122323 has 16 divisors (see below), whose sum is σ = 23017327740000. Its totient is φ = 21280222639872.

The previous prime is 22145121122309. The next prime is 22145121122351. The reversal of 22145121122323 is 32322112154122.

It is a cyclic number.

It is not a de Polignac number, because 22145121122323 - 2³³ = 22136531187731 is a prime.

It is a super-3 number, since 3×22145121122323³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145121122353) 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, 17306311 + ... + 18541807.

It is an arithmetic number, because the mean of its divisors is an integer number (1438582983750).

Almost surely, 2^{22145121122323} is an apocalyptic number.

22145121122323 is a deficient number, since it is larger than the sum of its proper divisors (872206617677).

22145121122323 is a wasteful number, since it uses less digits than its factorization.

22145121122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238454.

The product of its digits is 11520, while the sum is 31.

Adding to 22145121122323 its reverse (32322112154122), we get a palindrome (54467233276445).

The spelling of 22145121122323 in words is "twenty-two trillion, one hundred forty-five billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".