10223123112 has 48 divisors (see below), whose sum is σ = 27720250740. Its totient is φ = 3403692288.

The previous prime is 10223123063. The next prime is 10223123129. The reversal of 10223123112 is 21132132201.

It can be written as a sum of positive squares in 2 ways, for example, as 8209447236 + 2013675876 = 90606^2 + 44874^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 21813 + ... + 144644.

Almost surely, 2^10223123112 is an apocalyptic number.

10223123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10223123112 is an abundant number, since it is smaller than the sum of its proper divisors (17497127628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10223123112 is a wasteful number, since it uses less digits than its factorization.

10223123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167322 (or 167315 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10223123112 its reverse (21132132201), we get a palindrome (31355255313).

The spelling of 10223123112 in words is "ten billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred twelve".