321230457 has 12 divisors (see below), whose sum is σ = 466848304. Its totient is φ = 212838840.

The previous prime is 321230431. The next prime is 321230461. The reversal of 321230457 is 754032123.

It is not a de Polignac number, because 321230457 - 2⁸ = 321230201 is a prime.

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 321230457.

It is not an unprimeable number, because it can be changed into a prime (321210457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108019 + ... + 110952.

Almost surely, 2^321230457 is an apocalyptic number.

It is an amenable number.

321230457 is a deficient number, since it is larger than the sum of its proper divisors (145617847).

321230457 is a wasteful number, since it uses less digits than its factorization.

321230457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219140 (or 219137 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 321230457 is about 17922.9031409535. The cubic root of 321230457 is about 684.8659456713.

The spelling of 321230457 in words is "three hundred twenty-one million, two hundred thirty thousand, four hundred fifty-seven".