123000313291 has 2 divisors, whose sum is σ = 123000313292. Its totient is φ = 123000313290.

The previous prime is 123000313283. The next prime is 123000313301. The reversal of 123000313291 is 192313000321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123000313291 - 2³ = 123000313283 is a prime.

It is not a weakly prime, because it can be changed into another prime (123000353291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500156645 + 61500156646.

It is an arithmetic number, because the mean of its divisors is an integer number (61500156646).

Almost surely, 2^123000313291 is an apocalyptic number.

123000313291 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000313291 is an equidigital number, since it uses as much as digits as its factorization.

123000313291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 123000313291 in words is "one hundred twenty-three billion, three hundred thirteen thousand, two hundred ninety-one".