231423122 has 32 divisors (see below), whose sum is σ = 417291264. Its totient is φ = 94161600.

The previous prime is 231423107. The next prime is 231423139. The reversal of 231423122 is 221324132.

It is a super-2 number, since 2×231423122² = 107113322792453768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231423094 and 231423103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17972 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (13040352).

Almost surely, 2^231423122 is an apocalyptic number.

231423122 is a deficient number, since it is larger than the sum of its proper divisors (185868142).

231423122 is a wasteful number, since it uses less digits than its factorization.

231423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154.

The product of its digits is 576, while the sum is 20.

The square root of 231423122 is about 15212.5974770911. The cubic root of 231423122 is about 613.9536458762.

Adding to 231423122 its reverse (221324132), we get a palindrome (452747254).

The spelling of 231423122 in words is "two hundred thirty-one million, four hundred twenty-three thousand, one hundred twenty-two".