2231010123 has 4 divisors (see below), whose sum is σ = 2974680168. Its totient is φ = 1487340080.

The previous prime is 2231010083. The next prime is 2231010137. The reversal of 2231010123 is 3210101322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2231010123 - 2¹² = 2231006027 is a prime.

It is a super-3 number, since 3×2231010123³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231010193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371835018 + ... + 371835023.

It is an arithmetic number, because the mean of its divisors is an integer number (743670042).

Almost surely, 2^2231010123 is an apocalyptic number.

2231010123 is a deficient number, since it is larger than the sum of its proper divisors (743670045).

2231010123 is an equidigital number, since it uses as much as digits as its factorization.

2231010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743670044.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231010123 is about 47233.5698735550. The cubic root of 2231010123 is about 1306.6737912706.

Adding to 2231010123 its reverse (3210101322), we get a palindrome (5441111445).

The spelling of 2231010123 in words is "two billion, two hundred thirty-one million, ten thousand, one hundred twenty-three".