1117721438223 has 32 divisors (see below), whose sum is σ = 1689657580800. Its totient is φ = 651529080576.

The previous prime is 1117721438191. The next prime is 1117721438227. The reversal of 1117721438223 is 3228341277111.

It is not a de Polignac number, because 1117721438223 - 2⁵ = 1117721438191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117721438227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4971048 + ... + 5191026.

It is an arithmetic number, because the mean of its divisors is an integer number (52801799400).

Almost surely, 2^{1117721438223} is an apocalyptic number.

1117721438223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1117721438223 is a deficient number, since it is larger than the sum of its proper divisors (571936142577).

1117721438223 is a wasteful number, since it uses less digits than its factorization.

1117721438223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226871.

The product of its digits is 112896, while the sum is 42.

The spelling of 1117721438223 in words is "one trillion, one hundred seventeen billion, seven hundred twenty-one million, four hundred thirty-eight thousand, two hundred twenty-three".