200402323 has 8 divisors (see below), whose sum is σ = 224529840. Its totient is φ = 177259680.

The previous prime is 200402311. The next prime is 200402327. The reversal of 200402323 is 323204002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200402323 is a prime.

It is a super-2 number, since 2×200402323² = 80322182127592658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200402297 and 200402306.

It is not an unprimeable number, because it can be changed into a prime (200402327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245788 + ... + 246601.

It is an arithmetic number, because the mean of its divisors is an integer number (28066230).

Almost surely, 2^200402323 is an apocalyptic number.

200402323 is a deficient number, since it is larger than the sum of its proper divisors (24127517).

200402323 is a wasteful number, since it uses less digits than its factorization.

200402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492437.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 200402323 is about 14156.3527435565. The cubic root of 200402323 is about 585.1954181919.

Adding to 200402323 its reverse (323204002), we get a palindrome (523606325).

The spelling of 200402323 in words is "two hundred million, four hundred two thousand, three hundred twenty-three".