402242320323 has 12 divisors (see below), whose sum is σ = 581546340648. Its totient is φ = 267917090400.

The previous prime is 402242320313. The next prime is 402242320343. The reversal of 402242320323 is 323023242204.

It is a happy number.

402242320323 is a `hidden beast` number, since 402 + 2 + 4 + 232 + 0 + 3 + 23 = 666.

It is not a de Polignac number, because 402242320323 - 2¹⁰ = 402242319299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402242320313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20360953 + ... + 20380698.

It is an arithmetic number, because the mean of its divisors is an integer number (48462195054).

Almost surely, 2^402242320323 is an apocalyptic number.

402242320323 is a deficient number, since it is larger than the sum of its proper divisors (179304020325).

402242320323 is a wasteful number, since it uses less digits than its factorization.

402242320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40742754 (or 40742751 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 402242320323 its reverse (323023242204), we get a palindrome (725265562527).

It can be divided in two parts, 4022423 and 20323, that added together give a triangular number (4042746 = T₂₈₄₃).

The spelling of 402242320323 in words is "four hundred two billion, two hundred forty-two million, three hundred twenty thousand, three hundred twenty-three".