123523363219 has 2 divisors, whose sum is σ = 123523363220. Its totient is φ = 123523363218.

The previous prime is 123523363199. The next prime is 123523363241. The reversal of 123523363219 is 912363325321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123523363219 is a prime.

It is a super-2 number, since 2×123523363219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123523313219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61761681609 + 61761681610.

It is an arithmetic number, because the mean of its divisors is an integer number (61761681610).

Almost surely, 2^123523363219 is an apocalyptic number.

123523363219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123523363219 is an equidigital number, since it uses as much as digits as its factorization.

123523363219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The spelling of 123523363219 in words is "one hundred twenty-three billion, five hundred twenty-three million, three hundred sixty-three thousand, two hundred nineteen".