123064865351 has 2 divisors, whose sum is σ = 123064865352. Its totient is φ = 123064865350.

The previous prime is 123064865311. The next prime is 123064865419. The reversal of 123064865351 is 153568460321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123064865351 - 2¹⁴ = 123064848967 is a prime.

It is a super-2 number, since 2×123064865351² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123064865311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61532432675 + 61532432676.

It is an arithmetic number, because the mean of its divisors is an integer number (61532432676).

Almost surely, 2^123064865351 is an apocalyptic number.

123064865351 is a deficient number, since it is larger than the sum of its proper divisors (1).

123064865351 is an equidigital number, since it uses as much as digits as its factorization.

123064865351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 123064865351 in words is "one hundred twenty-three billion, sixty-four million, eight hundred sixty-five thousand, three hundred fifty-one".