123315007 has 2 divisors, whose sum is σ = 123315008. Its totient is φ = 123315006.

The previous prime is 123314987. The next prime is 123315011. The reversal of 123315007 is 700513321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123315007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123315037) 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, 61657503 + 61657504.

It is an arithmetic number, because the mean of its divisors is an integer number (61657504).

Almost surely, 2^123315007 is an apocalyptic number.

123315007 is a deficient number, since it is larger than the sum of its proper divisors (1).

123315007 is an equidigital number, since it uses as much as digits as its factorization.

123315007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 123315007 is about 11104.7290376668. The cubic root of 123315007 is about 497.7431714426.

Adding to 123315007 its reverse (700513321), we get a palindrome (823828328).

The spelling of 123315007 in words is "one hundred twenty-three million, three hundred fifteen thousand, seven".