1113403623 has 8 divisors (see below), whose sum is σ = 1484735088. Its totient is φ = 742170624.

The previous prime is 1113403609. The next prime is 1113403631. The reversal of 1113403623 is 3263043111.

It is a happy number.

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

It is not a de Polignac number, because 1113403623 - 2¹² = 1113399527 is a prime.

It is a super-2 number, since 2×1113403623² = 2479335255419052258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113403593 and 1113403602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113403663) 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, 7911 + ... + 47847.

It is an arithmetic number, because the mean of its divisors is an integer number (185591886).

Almost surely, 2^1113403623 is an apocalyptic number.

1113403623 is a deficient number, since it is larger than the sum of its proper divisors (371331465).

1113403623 is an equidigital number, since it uses as much as digits as its factorization.

1113403623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49233.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1113403623 is about 33367.7032922555. The cubic root of 1113403623 is about 1036.4560160461.

Adding to 1113403623 its reverse (3263043111), we get a palindrome (4376446734).

The spelling of 1113403623 in words is "one billion, one hundred thirteen million, four hundred three thousand, six hundred twenty-three".