402335423 has 12 divisors (see below), whose sum is σ = 471130992. Its totient is φ = 342568800.

The previous prime is 402335411. The next prime is 402335467. The reversal of 402335423 is 324533204.

It is not a de Polignac number, because 402335423 - 2⁶ = 402335359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402335392 and 402335401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402335123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19790 + ... + 34587.

It is an arithmetic number, because the mean of its divisors is an integer number (39260916).

Almost surely, 2^402335423 is an apocalyptic number.

402335423 is a deficient number, since it is larger than the sum of its proper divisors (68795569).

402335423 is a wasteful number, since it uses less digits than its factorization.

402335423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54542 (or 54535 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 402335423 is about 20058.3006009981. The cubic root of 402335423 is about 738.2374799712.

Adding to 402335423 its reverse (324533204), we get a palindrome (726868627).

The spelling of 402335423 in words is "four hundred two million, three hundred thirty-five thousand, four hundred twenty-three".