426031523 has 2 divisors, whose sum is σ = 426031524. Its totient is φ = 426031522.

The previous prime is 426031513. The next prime is 426031591. The reversal of 426031523 is 325130624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426031523 - 2¹⁶ = 425965987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426031492 and 426031501.

It is not a weakly prime, because it can be changed into another prime (426031513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213015761 + 213015762.

It is an arithmetic number, because the mean of its divisors is an integer number (213015762).

Almost surely, 2^426031523 is an apocalyptic number.

426031523 is a deficient number, since it is larger than the sum of its proper divisors (1).

426031523 is an equidigital number, since it uses as much as digits as its factorization.

426031523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 426031523 is about 20640.5310735940. The cubic root of 426031523 is about 752.4550794184.

The spelling of 426031523 in words is "four hundred twenty-six million, thirty-one thousand, five hundred twenty-three".