1232113305 has 16 divisors (see below), whose sum is σ = 1981707264. Its totient is φ = 653685120.

The previous prime is 1232113297. The next prime is 1232113307. The reversal of 1232113305 is 5033112321.

It is not a de Polignac number, because 1232113305 - 2³ = 1232113297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232113307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212164 + ... + 217893.

It is an arithmetic number, because the mean of its divisors is an integer number (123856704).

Almost surely, 2^1232113305 is an apocalyptic number.

1232113305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232113305 is a deficient number, since it is larger than the sum of its proper divisors (749593959).

1232113305 is a wasteful number, since it uses less digits than its factorization.

1232113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430256.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1232113305 is about 35101.4715503496. The cubic root of 1232113305 is about 1072.0545452053.

Adding to 1232113305 its reverse (5033112321), we get a palindrome (6265225626).

The spelling of 1232113305 in words is "one billion, two hundred thirty-two million, one hundred thirteen thousand, three hundred five".