1113423011 has 4 divisors (see below), whose sum is σ = 1117562400. Its totient is φ = 1109283624.

The previous prime is 1113422987. The next prime is 1113423023. The reversal of 1113423011 is 1103243111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113423011 is a prime.

It is a super-2 number, since 2×1113423011² = 2479421602848612242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113443011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069291 + ... + 2069828.

It is an arithmetic number, because the mean of its divisors is an integer number (279390600).

Almost surely, 2^1113423011 is an apocalyptic number.

1113423011 is a deficient number, since it is larger than the sum of its proper divisors (4139389).

1113423011 is an equidigital number, since it uses as much as digits as its factorization.

1113423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139388.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1113423011 is about 33367.9938114355. The cubic root of 1113423011 is about 1036.4620320413.

Adding to 1113423011 its reverse (1103243111), we get a palindrome (2216666122).

The spelling of 1113423011 in words is "one billion, one hundred thirteen million, four hundred twenty-three thousand, eleven".