1213113323023 has 8 divisors (see below), whose sum is σ = 1386424280192. Its totient is φ = 1039804629336.

The previous prime is 1213113323021. The next prime is 1213113323033. The reversal of 1213113323023 is 3203233113121.

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 1213113323023 - 2¹ = 1213113323021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213113323021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803536 + ... + 1752682.

It is an arithmetic number, because the mean of its divisors is an integer number (173303035024).

Almost surely, 2^{1213113323023} is an apocalyptic number.

1213113323023 is a deficient number, since it is larger than the sum of its proper divisors (173310957169).

1213113323023 is an equidigital number, since it uses as much as digits as its factorization.

1213113323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131741.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1213113323023 its reverse (3203233113121), we get a palindrome (4416346436144).

The spelling of 1213113323023 in words is "one trillion, two hundred thirteen billion, one hundred thirteen million, three hundred twenty-three thousand, twenty-three".