123423143233 has 12 divisors (see below), whose sum is σ = 140681630640. Its totient is φ = 107932786416.

The previous prime is 123423143209. The next prime is 123423143243. The reversal of 123423143233 is 332341324321.

It is a happy number.

It is not a de Polignac number, because 123423143233 - 2¹⁷ = 123423012161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123423143195 and 123423143204.

It is not an unprimeable number, because it can be changed into a prime (123423143243) 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, 19215591 + ... + 19222012.

It is an arithmetic number, because the mean of its divisors is an integer number (11723469220).

Almost surely, 2^123423143233 is an apocalyptic number.

123423143233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123423143233 is a deficient number, since it is larger than the sum of its proper divisors (17258487407).

123423143233 is a wasteful number, since it uses less digits than its factorization.

123423143233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38437648 (or 38437635 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 123423143233 its reverse (332341324321), we get a palindrome (455764467554).

The spelling of 123423143233 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred forty-three thousand, two hundred thirty-three".