123019007 has 2 divisors, whose sum is σ = 123019008. Its totient is φ = 123019006.

The previous prime is 123018997. The next prime is 123019033. The reversal of 123019007 is 700910321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123019007 - 2⁴ = 123018991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123019807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61509503 + 61509504.

It is an arithmetic number, because the mean of its divisors is an integer number (61509504).

Almost surely, 2^123019007 is an apocalyptic number.

123019007 is a deficient number, since it is larger than the sum of its proper divisors (1).

123019007 is an equidigital number, since it uses as much as digits as its factorization.

123019007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 123019007 is about 11091.3933750454. The cubic root of 123019007 is about 497.3445986522.

Adding to 123019007 its reverse (700910321), we get a palindrome (823929328).

The spelling of 123019007 in words is "one hundred twenty-three million, nineteen thousand, seven".