1113412123 has 2 divisors, whose sum is σ = 1113412124. Its totient is φ = 1113412122.

The previous prime is 1113412121. The next prime is 1113412163. The reversal of 1113412123 is 3212143111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113412123 - 2¹ = 1113412121 is a prime.

Together with 1113412121, 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 1113412123.

It is not a weakly prime, because it can be changed into another prime (1113412121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556706061 + 556706062.

It is an arithmetic number, because the mean of its divisors is an integer number (556706062).

Almost surely, 2^1113412123 is an apocalyptic number.

1113412123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113412123 is an equidigital number, since it uses as much as digits as its factorization.

1113412123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 1113412123 is about 33367.8306606828. The cubic root of 1113412123 is about 1036.4586535603.

Adding to 1113412123 its reverse (3212143111), we get a palindrome (4325555234).

The spelling of 1113412123 in words is "one billion, one hundred thirteen million, four hundred twelve thousand, one hundred twenty-three".