1231223230 has 8 divisors (see below), whose sum is σ = 2216201832. Its totient is φ = 492489288.

The previous prime is 1231223179. The next prime is 1231223251. The reversal of 1231223230 is 323221321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1231223198 and 1231223207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61561152 + ... + 61561171.

It is an arithmetic number, because the mean of its divisors is an integer number (277025229).

Almost surely, 2^1231223230 is an apocalyptic number.

1231223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231223230 is a deficient number, since it is larger than the sum of its proper divisors (984978602).

1231223230 is a wasteful number, since it uses less digits than its factorization.

1231223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123122330.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1231223230 is about 35088.7906602664. The cubic root of 1231223230 is about 1071.7963333427.

Adding to 1231223230 its reverse (323221321), we get a palindrome (1554444551).

The spelling of 1231223230 in words is "one billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred thirty".