426629023 has 2 divisors, whose sum is σ = 426629024. Its totient is φ = 426629022.

The previous prime is 426629017. The next prime is 426629033. The reversal of 426629023 is 320926624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426629023 - 2⁹ = 426628511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426629023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426629033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213314511 + 213314512.

It is an arithmetic number, because the mean of its divisors is an integer number (213314512).

Almost surely, 2^426629023 is an apocalyptic number.

426629023 is a deficient number, since it is larger than the sum of its proper divisors (1).

426629023 is an equidigital number, since it uses as much as digits as its factorization.

426629023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 426629023 is about 20654.9999515856. Note that the first 4 decimals coincide. The cubic root of 426629023 is about 752.8066824246.

The spelling of 426629023 in words is "four hundred twenty-six million, six hundred twenty-nine thousand, twenty-three".