123215146907 has 2 divisors, whose sum is σ = 123215146908. Its totient is φ = 123215146906.

The previous prime is 123215146883. The next prime is 123215146933. The reversal of 123215146907 is 709641512321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123215146907 - 2¹² = 123215142811 is a prime.

It is not a weakly prime, because it can be changed into another prime (123215146997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61607573453 + 61607573454.

It is an arithmetic number, because the mean of its divisors is an integer number (61607573454).

Almost surely, 2^123215146907 is an apocalyptic number.

123215146907 is a deficient number, since it is larger than the sum of its proper divisors (1).

123215146907 is an equidigital number, since it uses as much as digits as its factorization.

123215146907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 123215146907 in words is "one hundred twenty-three billion, two hundred fifteen million, one hundred forty-six thousand, nine hundred seven".