123023867 has 2 divisors, whose sum is σ = 123023868. Its totient is φ = 123023866.

The previous prime is 123023837. The next prime is 123023869. The reversal of 123023867 is 768320321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123023867 - 2¹⁴ = 123007483 is a prime.

Together with 123023869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123023869) 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, 61511933 + 61511934.

It is an arithmetic number, because the mean of its divisors is an integer number (61511934).

Almost surely, 2^123023867 is an apocalyptic number.

123023867 is a deficient number, since it is larger than the sum of its proper divisors (1).

123023867 is an equidigital number, since it uses as much as digits as its factorization.

123023867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 123023867 is about 11091.6124616757. The cubic root of 123023867 is about 497.3511479462.

The spelling of 123023867 in words is "one hundred twenty-three million, twenty-three thousand, eight hundred sixty-seven".