2321200132544 has 28 divisors (see below), whose sum is σ = 4622760181944. Its totient is φ = 1156410165504.

The previous prime is 2321200132541. The next prime is 2321200132547. The reversal of 2321200132544 is 4452310021232.

It is an interprime number because it is at equal distance from previous prime (2321200132541) and next prime (2321200132547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321200132541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65449334 + ... + 65484789.

Almost surely, 2^{2321200132544} is an apocalyptic number.

It is an amenable number.

2321200132544 is a deficient number, since it is larger than the sum of its proper divisors (2301560049400).

2321200132544 is a wasteful number, since it uses less digits than its factorization.

2321200132544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130934412 (or 130934402 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2321200132544 its reverse (4452310021232), we get a palindrome (6773510153776).

The spelling of 2321200132544 in words is "two trillion, three hundred twenty-one billion, two hundred million, one hundred thirty-two thousand, five hundred forty-four".