3091249123 has 2 divisors, whose sum is σ = 3091249124. Its totient is φ = 3091249122.

The previous prime is 3091249097. The next prime is 3091249159. The reversal of 3091249123 is 3219421903.

3091249123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3091249123 - 2¹³ = 3091240931 is a prime.

It is a super-2 number, since 2×3091249123² = 19111642280896538258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3091249163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545624561 + 1545624562.

It is an arithmetic number, because the mean of its divisors is an integer number (1545624562).

Almost surely, 2^3091249123 is an apocalyptic number.

3091249123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091249123 is an equidigital number, since it uses as much as digits as its factorization.

3091249123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3091249123 is about 55599.0028957355. The cubic root of 3091249123 is about 1456.7264372721.

The spelling of 3091249123 in words is "three billion, ninety-one million, two hundred forty-nine thousand, one hundred twenty-three".