123111032303 has 12 divisors (see below), whose sum is σ = 143242047432. Its totient is φ = 105500712240.

The previous prime is 123111032299. The next prime is 123111032411. The reversal of 123111032303 is 303230111321.

It is not a de Polignac number, because 123111032303 - 2² = 123111032299 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 (123111032903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45425 + ... + 498282.

It is an arithmetic number, because the mean of its divisors is an integer number (11936837286).

Almost surely, 2^123111032303 is an apocalyptic number.

123111032303 is a deficient number, since it is larger than the sum of its proper divisors (20131015129).

123111032303 is an equidigital number, since it uses as much as digits as its factorization.

123111032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548342 (or 548335 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123111032303 its reverse (303230111321), we get a palindrome (426341143624).

The spelling of 123111032303 in words is "one hundred twenty-three billion, one hundred eleven million, thirty-two thousand, three hundred three".