22351131123 has 16 divisors (see below), whose sum is σ = 31584983040. Its totient is φ = 14010708096.

The previous prime is 22351131079. The next prime is 22351131149. The reversal of 22351131123 is 32113115322.

It is a happy number.

It is not a de Polignac number, because 22351131123 - 2¹⁰ = 22351130099 is a prime.

It is a super-2 number, since 2×22351131123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22351131093 and 22351131102.

It is not an unprimeable number, because it can be changed into a prime (22351031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157915 + ... + 263892.

It is an arithmetic number, because the mean of its divisors is an integer number (1974061440).

Almost surely, 2^22351131123 is an apocalyptic number.

22351131123 is a deficient number, since it is larger than the sum of its proper divisors (9233851917).

22351131123 is a wasteful number, since it uses less digits than its factorization.

22351131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422866.

The product of its digits is 1080, while the sum is 24.

Adding to 22351131123 its reverse (32113115322), we get a palindrome (54464246445).

The spelling of 22351131123 in words is "twenty-two billion, three hundred fifty-one million, one hundred thirty-one thousand, one hundred twenty-three".