2321553122432 has 32 divisors (see below), whose sum is σ = 4628367672300. Its totient is φ = 1159923589120.

The previous prime is 2321553122351. The next prime is 2321553122437. The reversal of 2321553122432 is 2342213551232.

It can be written as a sum of positive squares in 2 ways, for example, as 2278578174016 + 42974948416 = 1509496^2 + 207304^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2321553122392 and 2321553122401.

It is not an unprimeable number, because it can be changed into a prime (2321553122437) 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, 6488957 + ... + 6837372.

Almost surely, 2^{2321553122432} is an apocalyptic number.

It is an amenable number.

2321553122432 is a deficient number, since it is larger than the sum of its proper divisors (2306814549868).

2321553122432 is a wasteful number, since it uses less digits than its factorization.

2321553122432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327704 (or 13327692 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 2321553122432 its reverse (2342213551232), we get a palindrome (4663766673664).

The spelling of 2321553122432 in words is "two trillion, three hundred twenty-one billion, five hundred fifty-three million, one hundred twenty-two thousand, four hundred thirty-two".