123851187367 has 2 divisors, whose sum is σ = 123851187368. Its totient is φ = 123851187366.

The previous prime is 123851187323. The next prime is 123851187413. The reversal of 123851187367 is 763781158321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123851187367 is a prime.

It is a super-2 number, since 2×123851187367² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123851187307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61925593683 + 61925593684.

It is an arithmetic number, because the mean of its divisors is an integer number (61925593684).

Almost surely, 2^123851187367 is an apocalyptic number.

123851187367 is a deficient number, since it is larger than the sum of its proper divisors (1).

123851187367 is an equidigital number, since it uses as much as digits as its factorization.

123851187367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The spelling of 123851187367 in words is "one hundred twenty-three billion, eight hundred fifty-one million, one hundred eighty-seven thousand, three hundred sixty-seven".