3123123247 has 2 divisors, whose sum is σ = 3123123248. Its totient is φ = 3123123246.

The previous prime is 3123123191. The next prime is 3123123281. The reversal of 3123123247 is 7423213213.

3123123247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123123247 - 2²³ = 3114734639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123126247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561561623 + 1561561624.

It is an arithmetic number, because the mean of its divisors is an integer number (1561561624).

Almost surely, 2^3123123247 is an apocalyptic number.

3123123247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123123247 is an equidigital number, since it uses as much as digits as its factorization.

3123123247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 3123123247 is about 55884.9107273153. The cubic root of 3123123247 is about 1461.7161353471.

The spelling of 3123123247 in words is "three billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred forty-seven".