123433423 has 2 divisors, whose sum is σ = 123433424. Its totient is φ = 123433422.

The previous prime is 123433417. The next prime is 123433463. The reversal of 123433423 is 324334321.

It is a weak prime.

It is an emirp because it is prime and its reverse (324334321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123433423 - 2⁵ = 123433391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123433463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61716711 + 61716712.

It is an arithmetic number, because the mean of its divisors is an integer number (61716712).

Almost surely, 2^123433423 is an apocalyptic number.

123433423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123433423 is an equidigital number, since it uses as much as digits as its factorization.

123433423 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 123433423 is about 11110.0595407945. The cubic root of 123433423 is about 497.9024434849.

Adding to 123433423 its reverse (324334321), we get a palindrome (447767744).

The spelling of 123433423 in words is "one hundred twenty-three million, four hundred thirty-three thousand, four hundred twenty-three".