1323111013398 has 12 divisors (see below), whose sum is σ = 2866740529068. Its totient is φ = 441037004460.

The previous prime is 1323111013397. The next prime is 1323111013493. The reversal of 1323111013398 is 8933101113231.

It is a happy number.

1323111013398 is a `hidden beast` number, since 1 + 3 + 2 + 311 + 1 + 0 + 1 + 339 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323111013397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36753083688 + ... + 36753083723.

It is an arithmetic number, because the mean of its divisors is an integer number (238895044089).

Almost surely, 2^{1323111013398} is an apocalyptic number.

1323111013398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1323111013398 is an abundant number, since it is smaller than the sum of its proper divisors (1543629515670).

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

1323111013398 is a wasteful number, since it uses less digits than its factorization.

1323111013398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73506167419 (or 73506167416 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 1323111013398 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, thirteen thousand, three hundred ninety-eight".