1232623111 has 2 divisors, whose sum is σ = 1232623112. Its totient is φ = 1232623110.

The previous prime is 1232623037. The next prime is 1232623127. The reversal of 1232623111 is 1113262321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232623111 - 2¹⁷ = 1232492039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232623151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616311555 + 616311556.

It is an arithmetic number, because the mean of its divisors is an integer number (616311556).

Almost surely, 2^1232623111 is an apocalyptic number.

1232623111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232623111 is an equidigital number, since it uses as much as digits as its factorization.

1232623111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 1232623111 is about 35108.7326886061. The cubic root of 1232623111 is about 1072.2023845517.

Adding to 1232623111 its reverse (1113262321), we get a palindrome (2345885432).

The spelling of 1232623111 in words is "one billion, two hundred thirty-two million, six hundred twenty-three thousand, one hundred eleven".