123200013111 has 8 divisors (see below), whose sum is σ = 187733353344. Its totient is φ = 70400007480.

The previous prime is 123200013067. The next prime is 123200013119. The reversal of 123200013111 is 111310002321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123200013111 - 2²³ = 123191624503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200013119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933333625 + ... + 2933333666.

It is an arithmetic number, because the mean of its divisors is an integer number (23466669168).

Almost surely, 2^123200013111 is an apocalyptic number.

123200013111 is a deficient number, since it is larger than the sum of its proper divisors (64533340233).

123200013111 is an equidigital number, since it uses as much as digits as its factorization.

123200013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866667301.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123200013111 its reverse (111310002321), we get a palindrome (234510015432).

The spelling of 123200013111 in words is "one hundred twenty-three billion, two hundred million, thirteen thousand, one hundred eleven".