1113402123 has 6 divisors (see below), whose sum is σ = 1608247524. Its totient is φ = 742268076.

The previous prime is 1113402091. The next prime is 1113402127. The reversal of 1113402123 is 3212043111.

1113402123 is a `hidden beast` number, since 111 + 340 + 212 + 3 = 666.

It is not a de Polignac number, because 1113402123 - 2⁵ = 1113402091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113402096 and 1113402105.

It is not an unprimeable number, because it can be changed into a prime (1113402127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61855665 + ... + 61855682.

It is an arithmetic number, because the mean of its divisors is an integer number (268041254).

Almost surely, 2^1113402123 is an apocalyptic number.

1113402123 is a deficient number, since it is larger than the sum of its proper divisors (494845401).

1113402123 is a wasteful number, since it uses less digits than its factorization.

1113402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123711353 (or 123711350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1113402123 is about 33367.6808154238. The cubic root of 1113402123 is about 1036.4555506010.

Adding to 1113402123 its reverse (3212043111), we get a palindrome (4325445234).

The spelling of 1113402123 in words is "one billion, one hundred thirteen million, four hundred two thousand, one hundred twenty-three".