22312200123 has 12 divisors (see below), whose sum is σ = 33014800728. Its totient is φ = 14511999840.

The previous prime is 22312200109. The next prime is 22312200167. The reversal of 22312200123 is 32100221322.

It is not a de Polignac number, because 22312200123 - 2¹³ = 22312191931 is a prime.

It is a super-3 number, since 3×22312200123³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312200096 and 22312200105.

It is not an unprimeable number, because it can be changed into a prime (22312200193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30232965 + ... + 30233702.

It is an arithmetic number, because the mean of its divisors is an integer number (2751233394).

Almost surely, 2^22312200123 is an apocalyptic number.

22312200123 is a deficient number, since it is larger than the sum of its proper divisors (10702600605).

22312200123 is a wasteful number, since it uses less digits than its factorization.

22312200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60466714 (or 60466711 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22312200123 its reverse (32100221322), we get a palindrome (54412421445).

The spelling of 22312200123 in words is "twenty-two billion, three hundred twelve million, two hundred thousand, one hundred twenty-three".