402836749123 has 2 divisors, whose sum is σ = 402836749124. Its totient is φ = 402836749122.

The previous prime is 402836749033. The next prime is 402836749181. The reversal of 402836749123 is 321947638204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402836749123 - 2³⁷ = 265397795651 is a prime.

It is not a weakly prime, because it can be changed into another prime (402836719123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201418374561 + 201418374562.

It is an arithmetic number, because the mean of its divisors is an integer number (201418374562).

Almost surely, 2^402836749123 is an apocalyptic number.

402836749123 is a deficient number, since it is larger than the sum of its proper divisors (1).

402836749123 is an equidigital number, since it uses as much as digits as its factorization.

402836749123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 402836749123 in words is "four hundred two billion, eight hundred thirty-six million, seven hundred forty-nine thousand, one hundred twenty-three".