1113000123 has 8 divisors (see below), whose sum is σ = 1485561168. Its totient is φ = 741219584.

The previous prime is 1113000113. The next prime is 1113000151. The reversal of 1113000123 is 3210003111.

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-1113000123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113000099 and 1113000108.

It is not an unprimeable number, because it can be changed into a prime (1113000113) 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, 191790 + ... + 197507.

It is an arithmetic number, because the mean of its divisors is an integer number (185695146).

Almost surely, 2^1113000123 is an apocalyptic number.

1113000123 is a deficient number, since it is larger than the sum of its proper divisors (372561045).

1113000123 is an equidigital number, since it uses as much as digits as its factorization.

1113000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390253.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1113000123 is about 33361.6564786583. The cubic root of 1113000123 is about 1036.3307962474.

Adding to 1113000123 its reverse (3210003111), we get a palindrome (4323003234).

The spelling of 1113000123 in words is "one billion, one hundred thirteen million, one hundred twenty-three", and thus it is an aban number.