402633135026423 has 16 divisors (see below), whose sum is σ = 460216553022720. Its totient is φ = 345065820219456.

The previous prime is 402633135026413. The next prime is 402633135026491. The reversal of 402633135026423 is 324620531336204.

It is not a de Polignac number, because 402633135026423 - 2⁶ = 402633135026359 is a prime.

It is a super-2 number, since 2×402633135026423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402633135026413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531159811 + ... + 1531422747.

It is an arithmetic number, because the mean of its divisors is an integer number (28763534563920).

Almost surely, 2^{402633135026423} is an apocalyptic number.

402633135026423 is a deficient number, since it is larger than the sum of its proper divisors (57583417996297).

402633135026423 is a wasteful number, since it uses less digits than its factorization.

402633135026423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292726.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 402633135026423 in words is "four hundred two trillion, six hundred thirty-three billion, one hundred thirty-five million, twenty-six thousand, four hundred twenty-three".