402143411023 has 2 divisors, whose sum is σ = 402143411024. Its totient is φ = 402143411022.

The previous prime is 402143410979. The next prime is 402143411051. The reversal of 402143411023 is 320114341204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402143411023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402147411023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201071705511 + 201071705512.

It is an arithmetic number, because the mean of its divisors is an integer number (201071705512).

Almost surely, 2^402143411023 is an apocalyptic number.

402143411023 is a deficient number, since it is larger than the sum of its proper divisors (1).

402143411023 is an equidigital number, since it uses as much as digits as its factorization.

402143411023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402143411023 its reverse (320114341204), we get a palindrome (722257752227).

The spelling of 402143411023 in words is "four hundred two billion, one hundred forty-three million, four hundred eleven thousand, twenty-three".