1233042001231 has 4 divisors (see below), whose sum is σ = 1233044483032. Its totient is φ = 1233039519432.

The previous prime is 1233042001223. The next prime is 1233042001249. The reversal of 1233042001231 is 1321002403321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1233042001231 - 2³ = 1233042001223 is a prime.

It is a super-2 number, since 2×1233042001231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233042001201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210381 + ... + 1584406.

It is an arithmetic number, because the mean of its divisors is an integer number (308261120758).

Almost surely, 2^{1233042001231} is an apocalyptic number.

1233042001231 is a deficient number, since it is larger than the sum of its proper divisors (2481801).

1233042001231 is an equidigital number, since it uses as much as digits as its factorization.

1233042001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481800.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1233042001231 its reverse (1321002403321), we get a palindrome (2554044404552).

The spelling of 1233042001231 in words is "one trillion, two hundred thirty-three billion, forty-two million, one thousand, two hundred thirty-one".