231223373 has 2 divisors, whose sum is σ = 231223374. Its totient is φ = 231223372.

The previous prime is 231223297. The next prime is 231223381. The reversal of 231223373 is 373322132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195916009 + 35307364 = 13997^2 + 5942^2 .

It is a cyclic number.

It is not a de Polignac number, because 231223373 - 2²⁴ = 214446157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231222373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611686 + 115611687.

It is an arithmetic number, because the mean of its divisors is an integer number (115611687).

Almost surely, 2^231223373 is an apocalyptic number.

It is an amenable number.

231223373 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223373 is an equidigital number, since it uses as much as digits as its factorization.

231223373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 26.

The square root of 231223373 is about 15206.0308101753. The cubic root of 231223373 is about 613.7769537540.

The spelling of 231223373 in words is "two hundred thirty-one million, two hundred twenty-three thousand, three hundred seventy-three".