2403202400321 has 48 divisors (see below), whose sum is σ = 2629160347968. Its totient is φ = 2195306755200.

The previous prime is 2403202400293. The next prime is 2403202400369. The reversal of 2403202400321 is 1230042023042.

It is a de Polignac number, because none of the positive numbers 2^k-2403202400321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2403202403321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239429315 + ... + 239439351.

It is an arithmetic number, because the mean of its divisors is an integer number (54774173916).

Almost surely, 2^{2403202400321} is an apocalyptic number.

It is an amenable number.

2403202400321 is a deficient number, since it is larger than the sum of its proper divisors (225957947647).

2403202400321 is a wasteful number, since it uses less digits than its factorization.

2403202400321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10331 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 2403202400321 its reverse (1230042023042), we get a palindrome (3633244423363).

The spelling of 2403202400321 in words is "two trillion, four hundred three billion, two hundred two million, four hundred thousand, three hundred twenty-one".