123113213459 has 2 divisors, whose sum is σ = 123113213460. Its totient is φ = 123113213458.

The previous prime is 123113213329. The next prime is 123113213471. The reversal of 123113213459 is 954312311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123113213459 - 2¹⁶ = 123113147923 is a prime.

It is not a weakly prime, because it can be changed into another prime (123113210459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556606729 + 61556606730.

It is an arithmetic number, because the mean of its divisors is an integer number (61556606730).

Almost surely, 2^123113213459 is an apocalyptic number.

123113213459 is a deficient number, since it is larger than the sum of its proper divisors (1).

123113213459 is an equidigital number, since it uses as much as digits as its factorization.

123113213459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The spelling of 123113213459 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred thirteen thousand, four hundred fifty-nine".