1231333222023 has 16 divisors (see below), whose sum is σ = 1825122025440. Its totient is φ = 820472717952.

The previous prime is 1231333222019. The next prime is 1231333222057. The reversal of 1231333222023 is 3202223331321.

1231333222023 is a `hidden beast` number, since 1 + 2 + 3 + 133 + 322 + 202 + 3 = 666.

It is not a de Polignac number, because 1231333222023 - 2² = 1231333222019 is a prime.

It is a super-2 number, since 2×1231333222023² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231333222003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11503986 + ... + 11610527.

It is an arithmetic number, because the mean of its divisors is an integer number (114070126590).

Almost surely, 2^{1231333222023} is an apocalyptic number.

1231333222023 is a deficient number, since it is larger than the sum of its proper divisors (593788803417).

1231333222023 is a wasteful number, since it uses less digits than its factorization.

1231333222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23116495 (or 23116489 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1231333222023 its reverse (3202223331321), we get a palindrome (4433556553344).

The spelling of 1231333222023 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-three million, two hundred twenty-two thousand, twenty-three".