392423 has 2 divisors, whose sum is σ = 392424. Its totient is φ = 392422.

The previous prime is 392389. The next prime is 392437. The reversal of 392423 is 324293.

It is a strong prime.

It is an emirp because it is prime and its reverse (324293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 392423 - 2¹⁰ = 391399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196211 + 196212.

It is an arithmetic number, because the mean of its divisors is an integer number (196212).

2³⁹²⁴²³ is an apocalyptic number.

392423 is a deficient number, since it is larger than the sum of its proper divisors (1).

392423 is an equidigital number, since it uses as much as digits as its factorization.

392423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 392423 is about 626.4367486028. The cubic root of 392423 is about 73.2124293345.

The spelling of 392423 in words is "three hundred ninety-two thousand, four hundred twenty-three".