123423224331 has 32 divisors (see below), whose sum is σ = 181245335040. Its totient is φ = 74085580800.

The previous prime is 123423224321. The next prime is 123423224347. The reversal of 123423224331 is 133422324321.

It is a happy number.

It is not a de Polignac number, because 123423224331 - 2¹⁹ = 123422700043 is a prime.

It is a super-2 number, since 2×123423224331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123423224311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11472651 + ... + 11483403.

It is an arithmetic number, because the mean of its divisors is an integer number (5663916720).

Almost surely, 2^123423224331 is an apocalyptic number.

123423224331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123423224331 is a deficient number, since it is larger than the sum of its proper divisors (57822110709).

123423224331 is a wasteful number, since it uses less digits than its factorization.

123423224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14067.

The product of its digits is 20736, while the sum is 30.

Adding to 123423224331 its reverse (133422324321), we get a palindrome (256845548652).

The spelling of 123423224331 in words is "one hundred twenty-three billion, four hundred twenty-three million, two hundred twenty-four thousand, three hundred thirty-one".