123851180339 has 2 divisors, whose sum is σ = 123851180340. Its totient is φ = 123851180338.

The previous prime is 123851180329. The next prime is 123851180347. The reversal of 123851180339 is 933081158321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123851180339 - 2²⁴ = 123834403123 is a prime.

It is a super-2 number, since 2×123851180339² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123851180339.

It is not a weakly prime, because it can be changed into another prime (123851180329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61925590169 + 61925590170.

It is an arithmetic number, because the mean of its divisors is an integer number (61925590170).

Almost surely, 2^123851180339 is an apocalyptic number.

123851180339 is a deficient number, since it is larger than the sum of its proper divisors (1).

123851180339 is an equidigital number, since it uses as much as digits as its factorization.

123851180339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 123851180339 in words is "one hundred twenty-three billion, eight hundred fifty-one million, one hundred eighty thousand, three hundred thirty-nine".