299455423 has 4 divisors (see below), whose sum is σ = 312475248. Its totient is φ = 286435600.

The previous prime is 299455313. The next prime is 299455433. The reversal of 299455423 is 324554992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 299455423 - 2¹⁷ = 299324351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 299455423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299455433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6509878 + ... + 6509923.

It is an arithmetic number, because the mean of its divisors is an integer number (78118812).

Almost surely, 2^299455423 is an apocalyptic number.

299455423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

299455423 is a deficient number, since it is larger than the sum of its proper divisors (13019825).

299455423 is a wasteful number, since it uses less digits than its factorization.

299455423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019824.

The product of its digits is 388800, while the sum is 43.

The square root of 299455423 is about 17304.7803511053. The cubic root of 299455423 is about 669.0276405277.

The spelling of 299455423 in words is "two hundred ninety-nine million, four hundred fifty-five thousand, four hundred twenty-three".