123432433 has 2 divisors, whose sum is σ = 123432434. Its totient is φ = 123432432.

The previous prime is 123432401. The next prime is 123432473. The reversal of 123432433 is 334234321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114233344 + 9199089 = 10688^2 + 3033^2 .

It is a cyclic number.

It is not a de Polignac number, because 123432433 - 2⁵ = 123432401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123432398 and 123432407.

It is not a weakly prime, because it can be changed into another prime (123432473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61716216 + 61716217.

It is an arithmetic number, because the mean of its divisors is an integer number (61716217).

Almost surely, 2^123432433 is an apocalyptic number.

It is an amenable number.

123432433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123432433 is an equidigital number, since it uses as much as digits as its factorization.

123432433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 25.

The square root of 123432433 is about 11110.0149864885. The cubic root of 123432433 is about 497.9011123362.

Adding to 123432433 its reverse (334234321), we get a palindrome (457666754).

The spelling of 123432433 in words is "one hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-three".