1231314123 has 8 divisors (see below), whose sum is σ = 1768040848. Its totient is φ = 757731744.

The previous prime is 1231314061. The next prime is 1231314137. The reversal of 1231314123 is 3214131321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231314123 - 2⁶ = 1231314059 is a prime.

It is a super-2 number, since 2×1231314123² = 3032268938998518258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231314123.

It is not an unprimeable number, because it can be changed into a prime (1231313123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15786040 + ... + 15786117.

It is an arithmetic number, because the mean of its divisors is an integer number (221005106).

Almost surely, 2^1231314123 is an apocalyptic number.

1231314123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1231314123 is a deficient number, since it is larger than the sum of its proper divisors (536726725).

1231314123 is a wasteful number, since it uses less digits than its factorization.

1231314123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31572173.

The product of its digits is 432, while the sum is 21.

The square root of 1231314123 is about 35090.0858220666. The cubic root of 1231314123 is about 1071.8227072189.

Adding to 1231314123 its reverse (3214131321), we get a palindrome (4445445444).

The spelling of 1231314123 in words is "one billion, two hundred thirty-one million, three hundred fourteen thousand, one hundred twenty-three".