123311033223 has 32 divisors (see below), whose sum is σ = 189340416000. Its totient is φ = 69925126656.

The previous prime is 123311033177. The next prime is 123311033227. The reversal of 123311033223 is 322330113321.

It is not a de Polignac number, because 123311033223 - 2¹⁶ = 123310967687 is a prime.

It is a super-2 number, since 2×123311033223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123311033193 and 123311033202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311033227) 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, 3433423 + ... + 3469151.

It is an arithmetic number, because the mean of its divisors is an integer number (5916888000).

Almost surely, 2^123311033223 is an apocalyptic number.

123311033223 is a deficient number, since it is larger than the sum of its proper divisors (66029382777).

123311033223 is a wasteful number, since it uses less digits than its factorization.

123311033223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36991.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123311033223 its reverse (322330113321), we get a palindrome (445641146544).

The spelling of 123311033223 in words is "one hundred twenty-three billion, three hundred eleven million, thirty-three thousand, two hundred twenty-three".