402683423 has 2 divisors, whose sum is σ = 402683424. Its totient is φ = 402683422.

The previous prime is 402683399. The next prime is 402683429. The reversal of 402683423 is 324386204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402683423 - 2⁸ = 402683167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402683423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402683429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201341711 + 201341712.

It is an arithmetic number, because the mean of its divisors is an integer number (201341712).

Almost surely, 2^402683423 is an apocalyptic number.

402683423 is a deficient number, since it is larger than the sum of its proper divisors (1).

402683423 is an equidigital number, since it uses as much as digits as its factorization.

402683423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 402683423 is about 20066.9734389618. The cubic root of 402683423 is about 738.4502647882.

The spelling of 402683423 in words is "four hundred two million, six hundred eighty-three thousand, four hundred twenty-three".