1223101233 has 6 divisors (see below), whose sum is σ = 1766701794. Its totient is φ = 815400816.

The previous prime is 1223101219. The next prime is 1223101241. The reversal of 1223101233 is 3321013221.

1223101233 is a `hidden beast` number, since 122 + 310 + 1 + 233 = 666.

It can be written as a sum of positive squares in only one way, i.e., 699972849 + 523128384 = 26457^2 + 22872^2 .

It is not a de Polignac number, because 1223101233 - 2⁹ = 1223100721 is a prime.

It is a super-2 number, since 2×1223101233² = 2991953252332240578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223101273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67950060 + ... + 67950077.

It is an arithmetic number, because the mean of its divisors is an integer number (294450299).

Almost surely, 2^1223101233 is an apocalyptic number.

It is an amenable number.

1223101233 is a deficient number, since it is larger than the sum of its proper divisors (543600561).

1223101233 is a wasteful number, since it uses less digits than its factorization.

1223101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135900143 (or 135900140 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223101233 is about 34972.8642378630. The cubic root of 1223101233 is about 1069.4343628720.

Adding to 1223101233 its reverse (3321013221), we get a palindrome (4544114454).

The spelling of 1223101233 in words is "one billion, two hundred twenty-three million, one hundred one thousand, two hundred thirty-three".