426723533 has 2 divisors, whose sum is σ = 426723534. Its totient is φ = 426723532.

The previous prime is 426723503. The next prime is 426723547. The reversal of 426723533 is 335327624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284327044 + 142396489 = 16862^2 + 11933^2 .

It is a cyclic number.

It is not a de Polignac number, because 426723533 - 2¹⁰ = 426722509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426723493 and 426723502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426723503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213361766 + 213361767.

It is an arithmetic number, because the mean of its divisors is an integer number (213361767).

Almost surely, 2^426723533 is an apocalyptic number.

It is an amenable number.

426723533 is a deficient number, since it is larger than the sum of its proper divisors (1).

426723533 is an equidigital number, since it uses as much as digits as its factorization.

426723533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 35.

The square root of 426723533 is about 20657.2876486726. The cubic root of 426723533 is about 752.8622674119.

The spelling of 426723533 in words is "four hundred twenty-six million, seven hundred twenty-three thousand, five hundred thirty-three".