123445215233 has 32 divisors (see below), whose sum is σ = 140696352000. Its totient is φ = 107677532160.

The previous prime is 123445215221. The next prime is 123445215259. The reversal of 123445215233 is 332512544321.

It is not a de Polignac number, because 123445215233 - 2⁴ = 123445215217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123445215193 and 123445215202.

It is not an unprimeable number, because it can be changed into a prime (123445215293) 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, 1559393 + ... + 1636641.

It is an arithmetic number, because the mean of its divisors is an integer number (4396761000).

Almost surely, 2^123445215233 is an apocalyptic number.

It is an amenable number.

123445215233 is a deficient number, since it is larger than the sum of its proper divisors (17251136767).

123445215233 is a wasteful number, since it uses less digits than its factorization.

123445215233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77417.

The product of its digits is 86400, while the sum is 35.

Adding to 123445215233 its reverse (332512544321), we get a palindrome (455957759554).

The spelling of 123445215233 in words is "one hundred twenty-three billion, four hundred forty-five million, two hundred fifteen thousand, two hundred thirty-three".