400302401241323 has 96 divisors (see below), whose sum is σ = 515979490867200. Its totient is φ = 308191703371776.

The previous prime is 400302401241317. The next prime is 400302401241349. The reversal of 400302401241323 is 323142104203004.

It is not a de Polignac number, because 400302401241323 - 2¹² = 400302401237227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (400302401241823) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 825033065 + ... + 825518117.

It is an arithmetic number, because the mean of its divisors is an integer number (5374786363200).

Almost surely, 2^{400302401241323} is an apocalyptic number.

400302401241323 is a deficient number, since it is larger than the sum of its proper divisors (115677089625877).

400302401241323 is a wasteful number, since it uses less digits than its factorization.

400302401241323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485509 (or 485502 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 400302401241323 its reverse (323142104203004), we get a palindrome (723444505444327).

The spelling of 400302401241323 in words is "four hundred trillion, three hundred two billion, four hundred one million, two hundred forty-one thousand, three hundred twenty-three".