123200023189 has 2 divisors, whose sum is σ = 123200023190. Its totient is φ = 123200023188.

The previous prime is 123200023187. The next prime is 123200023201. The reversal of 123200023189 is 981320002321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115180820689 + 8019202500 = 339383^2 + 89550^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200023189 - 2¹ = 123200023187 is a prime.

Together with 123200023187, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123200023189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200023187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600011594 + 61600011595.

It is an arithmetic number, because the mean of its divisors is an integer number (61600011595).

Almost surely, 2^123200023189 is an apocalyptic number.

It is an amenable number.

123200023189 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200023189 is an equidigital number, since it uses as much as digits as its factorization.

123200023189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 123200023189 in words is "one hundred twenty-three billion, two hundred million, twenty-three thousand, one hundred eighty-nine".