2321200344045 has 64 divisors (see below), whose sum is σ = 4101959294208. Its totient is φ = 1111498752000.

The previous prime is 2321200343971. The next prime is 2321200344091. The reversal of 2321200344045 is 5404430021232.

It is not a de Polignac number, because 2321200344045 - 2²⁰ = 2321199295469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5017725 + ... + 5460765.

It is an arithmetic number, because the mean of its divisors is an integer number (64093113972).

Almost surely, 2^{2321200344045} is an apocalyptic number.

It is an amenable number.

2321200344045 is a deficient number, since it is larger than the sum of its proper divisors (1780758950163).

2321200344045 is a wasteful number, since it uses less digits than its factorization.

2321200344045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443454.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2321200344045 its reverse (5404430021232), we get a palindrome (7725630365277).

The spelling of 2321200344045 in words is "two trillion, three hundred twenty-one billion, two hundred million, three hundred forty-four thousand, forty-five".