992321423 has 2 divisors, whose sum is σ = 992321424. Its totient is φ = 992321422.

The previous prime is 992321419. The next prime is 992321437. The reversal of 992321423 is 324123299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 992321423 - 2² = 992321419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992321443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496160711 + 496160712.

It is an arithmetic number, because the mean of its divisors is an integer number (496160712).

Almost surely, 2^992321423 is an apocalyptic number.

992321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

992321423 is an equidigital number, since it uses as much as digits as its factorization.

992321423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 992321423 is about 31501.1336780123. The cubic root of 992321423 is about 997.4338950713.

The spelling of 992321423 in words is "nine hundred ninety-two million, three hundred twenty-one thousand, four hundred twenty-three".