1230231111033 has 16 divisors (see below), whose sum is σ = 1657213883136. Its totient is φ = 811715797200.

The previous prime is 1230231110981. The next prime is 1230231111059. The reversal of 1230231111033 is 3301111320321.

It is a happy number.

It is not a de Polignac number, because 1230231111033 - 2⁸ = 1230231110777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230231181033) 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, 1485891 + ... + 2160632.

It is an arithmetic number, because the mean of its divisors is an integer number (103575867696).

Almost surely, 2^{1230231111033} is an apocalyptic number.

It is an amenable number.

1230231111033 is a deficient number, since it is larger than the sum of its proper divisors (426982772103).

1230231111033 is a wasteful number, since it uses less digits than its factorization.

1230231111033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647684.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1230231111033 its reverse (3301111320321), we get a palindrome (4531342431354).

The spelling of 1230231111033 in words is "one trillion, two hundred thirty billion, two hundred thirty-one million, one hundred eleven thousand, thirty-three".