1232123201233 has 8 divisors (see below), whose sum is σ = 1241146025640. Its totient is φ = 1223100800640.

The previous prime is 1232123201219. The next prime is 1232123201269. The reversal of 1232123201233 is 3321023212321.

It can be written as a sum of positive squares in 4 ways, for example, as 1012140626704 + 219982574529 = 1006052^2 + 469023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232123201233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232123201198 and 1232123201207.

It is not an unprimeable number, because it can be changed into a prime (1232123201293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977603 + ... + 8130583.

It is an arithmetic number, because the mean of its divisors is an integer number (155143253205).

Almost surely, 2^{1232123201233} is an apocalyptic number.

It is an amenable number.

1232123201233 is a deficient number, since it is larger than the sum of its proper divisors (9022824407).

1232123201233 is a wasteful number, since it uses less digits than its factorization.

1232123201233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211907.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1232123201233 its reverse (3321023212321), we get a palindrome (4553146413554).

The spelling of 1232123201233 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-three million, two hundred one thousand, two hundred thirty-three".