1233203231011 has 8 divisors (see below), whose sum is σ = 1237687120800. Its totient is φ = 1228722666240.

The previous prime is 1233203230979. The next prime is 1233203231053. The reversal of 1233203231011 is 1101323023321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233203231011 - 2⁵ = 1233203230979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233203231311) 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, 86926 + ... + 1572883.

It is an arithmetic number, because the mean of its divisors is an integer number (154710890100).

Almost surely, 2^{1233203231011} is an apocalyptic number.

1233203231011 is a deficient number, since it is larger than the sum of its proper divisors (4483889789).

1233203231011 is a wasteful number, since it uses less digits than its factorization.

1233203231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662509.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1233203231011 its reverse (1101323023321), we get a palindrome (2334526254332).

The spelling of 1233203231011 in words is "one trillion, two hundred thirty-three billion, two hundred three million, two hundred thirty-one thousand, eleven".