9970123 has 2 divisors, whose sum is σ = 9970124. Its totient is φ = 9970122.

The previous prime is 9970111. The next prime is 9970139. The reversal of 9970123 is 3210799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9970123 - 2⁹ = 9969611 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9970183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985061 + 4985062.

It is an arithmetic number, because the mean of its divisors is an integer number (4985062).

Almost surely, 2^9970123 is an apocalyptic number.

9970123 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970123 is an equidigital number, since it uses as much as digits as its factorization.

9970123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 9970123 is about 3157.5501579547. The cubic root of 9970123 is about 215.2286948166.

The spelling of 9970123 in words is "nine million, nine hundred seventy thousand, one hundred twenty-three".