1232311023 has 16 divisors (see below), whose sum is σ = 1826208000. Its totient is φ = 821287800.

The previous prime is 1232311021. The next prime is 1232311037. The reversal of 1232311023 is 3201132321.

It is not a de Polignac number, because 1232311023 - 2¹ = 1232311021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232310987 and 1232311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232311021) 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, 133198 + ... + 142148.

It is an arithmetic number, because the mean of its divisors is an integer number (114138000).

Almost surely, 2^1232311023 is an apocalyptic number.

1232311023 is a deficient number, since it is larger than the sum of its proper divisors (593896977).

1232311023 is an equidigital number, since it uses as much as digits as its factorization.

1232311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059 (or 14053 counting only the distinct ones).

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

The square root of 1232311023 is about 35104.2878150234. The cubic root of 1232311023 is about 1072.1118865615. Note that the first 3 decimals are identical.

Adding to 1232311023 its reverse (3201132321), we get a palindrome (4433443344).

The spelling of 1232311023 in words is "one billion, two hundred thirty-two million, three hundred eleven thousand, twenty-three".