999160423 has 2 divisors, whose sum is σ = 999160424. Its totient is φ = 999160422.

The previous prime is 999160373. The next prime is 999160439. The reversal of 999160423 is 324061999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999160423 - 2²⁹ = 462289511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999160423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999160483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499580211 + 499580212.

It is an arithmetic number, because the mean of its divisors is an integer number (499580212).

Almost surely, 2^999160423 is an apocalyptic number.

999160423 is a deficient number, since it is larger than the sum of its proper divisors (1).

999160423 is an equidigital number, since it uses as much as digits as its factorization.

999160423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 999160423 is about 31609.4989362375. The cubic root of 999160423 is about 999.7200626424.

The spelling of 999160423 in words is "nine hundred ninety-nine million, one hundred sixty thousand, four hundred twenty-three".