402352223 has 16 divisors (see below), whose sum is σ = 495673920. Its totient is φ = 318041856.

The previous prime is 402352213. The next prime is 402352253. The reversal of 402352223 is 322253204.

It is a cyclic number.

It is not a de Polignac number, because 402352223 - 2⁸ = 402351967 is a prime.

It is a super-2 number, since 2×402352223² = 323774622706083458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402352213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187211 + ... + 189347.

It is an arithmetic number, because the mean of its divisors is an integer number (30979620).

Almost surely, 2^402352223 is an apocalyptic number.

402352223 is a deficient number, since it is larger than the sum of its proper divisors (93321697).

402352223 is a wasteful number, since it uses less digits than its factorization.

402352223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 402352223 is about 20058.7193758724. The cubic root of 402352223 is about 738.2477551597.

The spelling of 402352223 in words is "four hundred two million, three hundred fifty-two thousand, two hundred twenty-three".