321677423 has 2 divisors, whose sum is σ = 321677424. Its totient is φ = 321677422.

The previous prime is 321677393. The next prime is 321677459. The reversal of 321677423 is 324776123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321677423 - 2²² = 317483119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321671423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160838711 + 160838712.

It is an arithmetic number, because the mean of its divisors is an integer number (160838712).

Almost surely, 2^321677423 is an apocalyptic number.

321677423 is a deficient number, since it is larger than the sum of its proper divisors (1).

321677423 is an equidigital number, since it uses as much as digits as its factorization.

321677423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 321677423 is about 17935.3679360084. The cubic root of 321677423 is about 685.1834435079.

The spelling of 321677423 in words is "three hundred twenty-one million, six hundred seventy-seven thousand, four hundred twenty-three".