402310303243 has 4 divisors (see below), whose sum is σ = 413183554720. Its totient is φ = 391437051768.

The previous prime is 402310303211. The next prime is 402310303279. The reversal of 402310303243 is 342303013204.

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 402310303243 - 2⁵ = 402310303211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402310303543) 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, 5436625683 + ... + 5436625756.

It is an arithmetic number, because the mean of its divisors is an integer number (103295888680).

Almost surely, 2^402310303243 is an apocalyptic number.

402310303243 is a deficient number, since it is larger than the sum of its proper divisors (10873251477).

402310303243 is a wasteful number, since it uses less digits than its factorization.

402310303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873251476.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 402310303243 its reverse (342303013204), we get a palindrome (744613316447).

The spelling of 402310303243 in words is "four hundred two billion, three hundred ten million, three hundred three thousand, two hundred forty-three".