312253223 has 2 divisors, whose sum is σ = 312253224. Its totient is φ = 312253222.

The previous prime is 312253217. The next prime is 312253231. The reversal of 312253223 is 322352213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312253223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312253283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156126611 + 156126612.

It is an arithmetic number, because the mean of its divisors is an integer number (156126612).

Almost surely, 2^312253223 is an apocalyptic number.

312253223 is a deficient number, since it is larger than the sum of its proper divisors (1).

312253223 is an equidigital number, since it uses as much as digits as its factorization.

312253223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 312253223 is about 17670.6882435292. The cubic root of 312253223 is about 678.4257288850.

The spelling of 312253223 in words is "three hundred twelve million, two hundred fifty-three thousand, two hundred twenty-three".