402433343 has 4 divisors (see below), whose sum is σ = 433389768. Its totient is φ = 371476920.

The previous prime is 402433321. The next prime is 402433387. The reversal of 402433343 is 343334204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402433343 - 2⁶ = 402433279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402433543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15478193 + ... + 15478218.

It is an arithmetic number, because the mean of its divisors is an integer number (108347442).

Almost surely, 2^402433343 is an apocalyptic number.

402433343 is a deficient number, since it is larger than the sum of its proper divisors (30956425).

402433343 is a wasteful number, since it uses less digits than its factorization.

402433343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30956424.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 402433343 is about 20060.7413372487. The cubic root of 402433343 is about 738.2973656173.

Adding to 402433343 its reverse (343334204), we get a palindrome (745767547).

The spelling of 402433343 in words is "four hundred two million, four hundred thirty-three thousand, three hundred forty-three".