23112123122 has 24 divisors (see below), whose sum is σ = 38124023868. Its totient is φ = 10500638720.

The previous prime is 23112123109. The next prime is 23112123187. The reversal of 23112123122 is 22132121132.

It can be written as a sum of positive squares in 2 ways, for example, as 23106736081 + 5387041 = 152009^2 + 2321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23112123094 and 23112123103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529058 + ... + 571074.

Almost surely, 2^23112123122 is an apocalyptic number.

23112123122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23112123122 is a deficient number, since it is larger than the sum of its proper divisors (15011900746).

23112123122 is a wasteful number, since it uses less digits than its factorization.

23112123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44314 (or 44303 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 23112123122 its reverse (22132121132), we get a palindrome (45244244254).

The spelling of 23112123122 in words is "twenty-three billion, one hundred twelve million, one hundred twenty-three thousand, one hundred twenty-two".