123230407 has 2 divisors, whose sum is σ = 123230408. Its totient is φ = 123230406.

The previous prime is 123230339. The next prime is 123230413. The reversal of 123230407 is 704032321.

It is a strong prime.

It is an emirp because it is prime and its reverse (704032321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123230407 - 2⁷ = 123230279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123230477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615203 + 61615204.

It is an arithmetic number, because the mean of its divisors is an integer number (61615204).

Almost surely, 2^123230407 is an apocalyptic number.

123230407 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230407 is an equidigital number, since it uses as much as digits as its factorization.

123230407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 123230407 is about 11100.9191961747. The cubic root of 123230407 is about 497.6293201858.

Adding to 123230407 its reverse (704032321), we get a palindrome (827262728).

The spelling of 123230407 in words is "one hundred twenty-three million, two hundred thirty thousand, four hundred seven".