123203141111 has 8 divisors (see below), whose sum is σ = 123645697344. Its totient is φ = 122761346400.

The previous prime is 123203141077. The next prime is 123203141119. The reversal of 123203141111 is 111141302321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123203141111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203141119) 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, 134765 + ... + 514361.

It is an arithmetic number, because the mean of its divisors is an integer number (15455712168).

Almost surely, 2^123203141111 is an apocalyptic number.

123203141111 is a deficient number, since it is larger than the sum of its proper divisors (442556233).

123203141111 is an equidigital number, since it uses as much as digits as its factorization.

123203141111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380761.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123203141111 its reverse (111141302321), we get a palindrome (234344443432).

The spelling of 123203141111 in words is "one hundred twenty-three billion, two hundred three million, one hundred forty-one thousand, one hundred eleven".