299725423 has 2 divisors, whose sum is σ = 299725424. Its totient is φ = 299725422.

The previous prime is 299725409. The next prime is 299725429. The reversal of 299725423 is 324527992.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299725423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 299725423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299725429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149862711 + 149862712.

It is an arithmetic number, because the mean of its divisors is an integer number (149862712).

Almost surely, 2^299725423 is an apocalyptic number.

299725423 is a deficient number, since it is larger than the sum of its proper divisors (1).

299725423 is an equidigital number, since it uses as much as digits as its factorization.

299725423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 299725423 is about 17312.5799059528. The cubic root of 299725423 is about 669.2286534180.

The spelling of 299725423 in words is "two hundred ninety-nine million, seven hundred twenty-five thousand, four hundred twenty-three".