402696423 has 12 divisors (see below), whose sum is σ = 594049248. Its totient is φ = 262752000.

The previous prime is 402696421. The next prime is 402696449. The reversal of 402696423 is 324696204.

402696423 is a `hidden beast` number, since 4 + 0 + 2 + 6 + 9 + 642 + 3 = 666.

It is not a de Polignac number, because 402696423 - 2¹ = 402696421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402696421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475578 + ... + 476423.

It is an arithmetic number, because the mean of its divisors is an integer number (49504104).

Almost surely, 2^402696423 is an apocalyptic number.

402696423 is a deficient number, since it is larger than the sum of its proper divisors (191352825).

402696423 is a wasteful number, since it uses less digits than its factorization.

402696423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952054 (or 952051 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 402696423 is about 20067.2973516615. The cubic root of 402696423 is about 738.4582112706.

The spelling of 402696423 in words is "four hundred two million, six hundred ninety-six thousand, four hundred twenty-three".