402343133 has 4 divisors (see below), whose sum is σ = 404591040. Its totient is φ = 400095228.

The previous prime is 402343121. The next prime is 402343177. The reversal of 402343133 is 331343204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402343133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402343099 and 402343108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402343933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123685 + ... + 1124042.

It is an arithmetic number, because the mean of its divisors is an integer number (101147760).

Almost surely, 2^402343133 is an apocalyptic number.

It is an amenable number.

402343133 is a deficient number, since it is larger than the sum of its proper divisors (2247907).

402343133 is a wasteful number, since it uses less digits than its factorization.

402343133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247906.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 402343133 is about 20058.4927898384. The cubic root of 402343133 is about 738.2421955843.

Adding to 402343133 its reverse (331343204), we get a palindrome (733686337).

The spelling of 402343133 in words is "four hundred two million, three hundred forty-three thousand, one hundred thirty-three".