426345923 has 2 divisors, whose sum is σ = 426345924. Its totient is φ = 426345922.

The previous prime is 426345911. The next prime is 426345929. The reversal of 426345923 is 329543624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426345923 - 2¹⁰ = 426344899 is a prime.

It is not a weakly prime, because it can be changed into another prime (426345929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213172961 + 213172962.

It is an arithmetic number, because the mean of its divisors is an integer number (213172962).

Almost surely, 2^426345923 is an apocalyptic number.

426345923 is a deficient number, since it is larger than the sum of its proper divisors (1).

426345923 is an equidigital number, since it uses as much as digits as its factorization.

426345923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 426345923 is about 20648.1457521008. The cubic root of 426345923 is about 752.6401312228.

The spelling of 426345923 in words is "four hundred twenty-six million, three hundred forty-five thousand, nine hundred twenty-three".