1101231133223 has 4 divisors (see below), whose sum is σ = 1185941220408. Its totient is φ = 1016521046040.

The previous prime is 1101231133159. The next prime is 1101231133229. The reversal of 1101231133223 is 3223311321011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101231133223 - 2⁶ = 1101231133159 is a prime.

It is a super-2 number, since 2×1101231133223² (a number of 25 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 (1101231133229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42355043573 + ... + 42355043598.

It is an arithmetic number, because the mean of its divisors is an integer number (296485305102).

Almost surely, 2^{1101231133223} is an apocalyptic number.

1101231133223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1101231133223 is a deficient number, since it is larger than the sum of its proper divisors (84710087185).

1101231133223 is an equidigital number, since it uses as much as digits as its factorization.

1101231133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84710087184.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1101231133223 its reverse (3223311321011), we get a palindrome (4324542454234).

The spelling of 1101231133223 in words is "one trillion, one hundred one billion, two hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-three".