402023343 has 8 divisors (see below), whose sum is σ = 536236848. Its totient is φ = 267912704.

The previous prime is 402023341. The next prime is 402023353. The reversal of 402023343 is 343320204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402023343 - 2¹ = 402023341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402023341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080 + ... + 32597.

It is an arithmetic number, because the mean of its divisors is an integer number (67029606).

Almost surely, 2^402023343 is an apocalyptic number.

402023343 is a deficient number, since it is larger than the sum of its proper divisors (134213505).

402023343 is a wasteful number, since it uses less digits than its factorization.

402023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51433.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 402023343 is about 20050.5197688239. The cubic root of 402023343 is about 738.0465540803.

Adding to 402023343 its reverse (343320204), we get a palindrome (745343547).

The spelling of 402023343 in words is "four hundred two million, twenty-three thousand, three hundred forty-three".