1323223262361 has 72 divisors (see below), whose sum is σ = 2585692665920. Its totient is φ = 634512605760.

The previous prime is 1323223262321. The next prime is 1323223262399. The reversal of 1323223262361 is 1632623223231.

It is a happy number.

1323223262361 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 2 + 23 + 2 + 623 + 6 + 1 = 666.

It is not a de Polignac number, because 1323223262361 - 2⁶ = 1323223262297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323223262321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6577171 + ... + 6775368.

Almost surely, 2^{1323223262361} is an apocalyptic number.

1323223262361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323223262361 is a deficient number, since it is larger than the sum of its proper divisors (1262469403559).

1323223262361 is a wasteful number, since it uses less digits than its factorization.

1323223262361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13352587 (or 13352573 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 1323223262361 its reverse (1632623223231), we get a palindrome (2955846485592).

The spelling of 1323223262361 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred sixty-two thousand, three hundred sixty-one".