402343413023 has 2 divisors, whose sum is σ = 402343413024. Its totient is φ = 402343413022.

The previous prime is 402343412929. The next prime is 402343413029. The reversal of 402343413023 is 320314343204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402343413023 - 2¹⁴ = 402343396639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402343413029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201171706511 + 201171706512.

It is an arithmetic number, because the mean of its divisors is an integer number (201171706512).

Almost surely, 2^402343413023 is an apocalyptic number.

402343413023 is a deficient number, since it is larger than the sum of its proper divisors (1).

402343413023 is an equidigital number, since it uses as much as digits as its factorization.

402343413023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 402343413023 its reverse (320314343204), we get a palindrome (722657756227).

The spelling of 402343413023 in words is "four hundred two billion, three hundred forty-three million, four hundred thirteen thousand, twenty-three".