415998923 has 2 divisors, whose sum is σ = 415998924. Its totient is φ = 415998922.

The previous prime is 415998839. The next prime is 415998929. The reversal of 415998923 is 329899514.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 415998923 - 2¹⁰ = 415997899 is a prime.

It is not a weakly prime, because it can be changed into another prime (415998929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207999461 + 207999462.

It is an arithmetic number, because the mean of its divisors is an integer number (207999462).

Almost surely, 2^415998923 is an apocalyptic number.

415998923 is a deficient number, since it is larger than the sum of its proper divisors (1).

415998923 is an equidigital number, since it uses as much as digits as its factorization.

415998923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The square root of 415998923 is about 20396.0516522194. The cubic root of 415998923 is about 746.5015871458.

The spelling of 415998923 in words is "four hundred fifteen million, nine hundred ninety-eight thousand, nine hundred twenty-three".