1323232121632 has 24 divisors (see below), whose sum is σ = 2616489294300. Its totient is φ = 658726904064.

The previous prime is 1323232121623. The next prime is 1323232121641. The reversal of 1323232121632 is 2361212323231.

It is an interprime number because it is at equal distance from previous prime (1323232121623) and next prime (1323232121641).

It can be written as a sum of positive squares in 2 ways, for example, as 1099385802256 + 223846319376 = 1048516^2 + 473124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323232121594 and 1323232121603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90278707 + ... + 90293362.

Almost surely, 2^{1323232121632} is an apocalyptic number.

It is an amenable number.

1323232121632 is a deficient number, since it is larger than the sum of its proper divisors (1293257172668).

1323232121632 is a wasteful number, since it uses less digits than its factorization.

1323232121632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180572308 (or 180572300 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

Adding to 1323232121632 its reverse (2361212323231), we get a palindrome (3684444444863).

The spelling of 1323232121632 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-two million, one hundred twenty-one thousand, six hundred thirty-two".