919372423 has 2 divisors, whose sum is σ = 919372424. Its totient is φ = 919372422.

The previous prime is 919372373. The next prime is 919372429. The reversal of 919372423 is 324273919.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 919372423 - 2⁹ = 919371911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (919372429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459686211 + 459686212.

It is an arithmetic number, because the mean of its divisors is an integer number (459686212).

Almost surely, 2^919372423 is an apocalyptic number.

919372423 is a deficient number, since it is larger than the sum of its proper divisors (1).

919372423 is an equidigital number, since it uses as much as digits as its factorization.

919372423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 919372423 is about 30321.1547108615. The cubic root of 919372423 is about 972.3676257771.

The spelling of 919372423 in words is "nine hundred nineteen million, three hundred seventy-two thousand, four hundred twenty-three".