1323220230152 has 32 divisors (see below), whose sum is σ = 2655883620000. Its totient is φ = 616164991488.

The previous prime is 1323220230127. The next prime is 1323220230173. The reversal of 1323220230152 is 2510320223231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73765577 + ... + 73783512.

It is an arithmetic number, because the mean of its divisors is an integer number (82996363125).

Almost surely, 2^{1323220230152} is an apocalyptic number.

It is an amenable number.

1323220230152 is an abundant number, since it is smaller than the sum of its proper divisors (1332663389848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323220230152 is a wasteful number, since it uses less digits than its factorization.

1323220230152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147549173 (or 147549169 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1323220230152 its reverse (2510320223231), we get a palindrome (3833540453383).

The spelling of 1323220230152 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, two hundred thirty thousand, one hundred fifty-two".