402303002 has 4 divisors (see below), whose sum is σ = 603454506. Its totient is φ = 201151500.

The previous prime is 402303001. The next prime is 402303007. The reversal of 402303002 is 200303204.

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

It can be written as a sum of positive squares in only one way, i.e., 393665281 + 8637721 = 19841^2 + 2939^2 .

It is not an unprimeable number, because it can be changed into a prime (402303001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100575749 + ... + 100575752.

Almost surely, 2^402303002 is an apocalyptic number.

402303002 is a deficient number, since it is larger than the sum of its proper divisors (201151504).

402303002 is a wasteful number, since it uses less digits than its factorization.

402303002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201151503.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 402303002 is about 20057.4924155538. The cubic root of 402303002 is about 738.2176498834.

Adding to 402303002 its reverse (200303204), we get a palindrome (602606206).

The spelling of 402303002 in words is "four hundred two million, three hundred three thousand, two".