1232203311 has 12 divisors (see below), whose sum is σ = 1857234288. Its totient is φ = 785752704.

The previous prime is 1232203261. The next prime is 1232203327. The reversal of 1232203311 is 1133022321.

1232203311 is a `hidden beast` number, since 12 + 322 + 0 + 331 + 1 = 666.

It is not a de Polignac number, because 1232203311 - 2¹⁵ = 1232170543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232203331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2976130 + ... + 2976543.

It is an arithmetic number, because the mean of its divisors is an integer number (154769524).

Almost surely, 2^1232203311 is an apocalyptic number.

1232203311 is a deficient number, since it is larger than the sum of its proper divisors (625030977).

1232203311 is a wasteful number, since it uses less digits than its factorization.

1232203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952702 (or 5952699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232203311 is about 35102.7536099378. The cubic root of 1232203311 is about 1072.0806491336.

Adding to 1232203311 its reverse (1133022321), we get a palindrome (2365225632).

The spelling of 1232203311 in words is "one billion, two hundred thirty-two million, two hundred three thousand, three hundred eleven".