402320243203 has 16 divisors (see below), whose sum is σ = 434579372640. Its totient is φ = 371062080000.

The previous prime is 402320243167. The next prime is 402320243231. The reversal of 402320243203 is 302342023204.

It is a cyclic number.

It is not a de Polignac number, because 402320243203 - 2³⁷ = 264881289731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402320243263) 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, 442173 + ... + 1000078.

It is an arithmetic number, because the mean of its divisors is an integer number (27161210790).

Almost surely, 2^402320243203 is an apocalyptic number.

402320243203 is a deficient number, since it is larger than the sum of its proper divisors (32259129437).

402320243203 is a wasteful number, since it uses less digits than its factorization.

402320243203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442598.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 402320243203 its reverse (302342023204), we get a palindrome (704662266407).

The spelling of 402320243203 in words is "four hundred two billion, three hundred twenty million, two hundred forty-three thousand, two hundred three".