223911775133 has 12 divisors (see below), whose sum is σ = 234106666080. Its totient is φ = 214143245976.

The previous prime is 223911775099. The next prime is 223911775141. The reversal of 223911775133 is 331577119322.

It is not a de Polignac number, because 223911775133 - 2¹⁶ = 223911709597 is a prime.

It is a super-2 number, since 2×223911775133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223911775193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3802328 + ... + 3860766.

It is an arithmetic number, because the mean of its divisors is an integer number (19508888840).

Almost surely, 2^223911775133 is an apocalyptic number.

223911775133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223911775133 is a deficient number, since it is larger than the sum of its proper divisors (10194890947).

223911775133 is an equidigital number, since it uses as much as digits as its factorization.

223911775133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65728 (or 65705 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The spelling of 223911775133 in words is "two hundred twenty-three billion, nine hundred eleven million, seven hundred seventy-five thousand, one hundred thirty-three".