123374567 has 2 divisors, whose sum is σ = 123374568. Its totient is φ = 123374566.

The previous prime is 123374557. The next prime is 123374569. The reversal of 123374567 is 765473321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123374567 - 2⁴ = 123374551 is a prime.

Together with 123374569, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123374567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123374569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61687283 + 61687284.

It is an arithmetic number, because the mean of its divisors is an integer number (61687284).

Almost surely, 2^123374567 is an apocalyptic number.

123374567 is a deficient number, since it is larger than the sum of its proper divisors (1).

123374567 is an equidigital number, since it uses as much as digits as its factorization.

123374567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 123374567 is about 11107.4104542868. The cubic root of 123374567 is about 497.8232936501.

The spelling of 123374567 in words is "one hundred twenty-three million, three hundred seventy-four thousand, five hundred sixty-seven".