85123007 has 2 divisors, whose sum is σ = 85123008. Its totient is φ = 85123006.

The previous prime is 85122991. The next prime is 85123043. The reversal of 85123007 is 70032158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85123007 - 2⁴ = 85122991 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 (85123067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42561503 + 42561504.

It is an arithmetic number, because the mean of its divisors is an integer number (42561504).

Almost surely, 2^85123007 is an apocalyptic number.

85123007 is a deficient number, since it is larger than the sum of its proper divisors (1).

85123007 is an equidigital number, since it uses as much as digits as its factorization.

85123007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 85123007 is about 9226.2130367773. The cubic root of 85123007 is about 439.8949594299.

The spelling of 85123007 in words is "eighty-five million, one hundred twenty-three thousand, seven".