1323012013231 has 8 divisors (see below), whose sum is σ = 1329618810240. Its totient is φ = 1316411234592.

The previous prime is 1323012013217. The next prime is 1323012013247. The reversal of 1323012013231 is 1323102103231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323012013231 - 2²¹ = 1323009916079 is a prime.

It is a super-2 number, since 2×1323012013231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323012013261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063516 + ... + 1943473.

It is an arithmetic number, because the mean of its divisors is an integer number (166202351280).

Almost surely, 2^{1323012013231} is an apocalyptic number.

1323012013231 is a deficient number, since it is larger than the sum of its proper divisors (6606797009).

1323012013231 is a wasteful number, since it uses less digits than its factorization.

1323012013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009185.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1323012013231 its reverse (1323102103231), we get a palindrome (2646114116462).

The spelling of 1323012013231 in words is "one trillion, three hundred twenty-three billion, twelve million, thirteen thousand, two hundred thirty-one".