2001233120223 has 16 divisors (see below), whose sum is σ = 2670155292672. Its totient is φ = 1333233420000.

The previous prime is 2001233120213. The next prime is 2001233120233. The reversal of 2001233120223 is 3220213321002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001233120213) and next prime (2001233120233).

It is not a de Polignac number, because 2001233120223 - 2¹³ = 2001233112031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001233120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001233120213) 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, 39159778 + ... + 39210848.

It is an arithmetic number, because the mean of its divisors is an integer number (166884705792).

Almost surely, 2^{2001233120223} is an apocalyptic number.

2001233120223 is a deficient number, since it is larger than the sum of its proper divisors (668922172449).

2001233120223 is a wasteful number, since it uses less digits than its factorization.

2001233120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59846.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2001233120223 its reverse (3220213321002), we get a palindrome (5221446441225).

The spelling of 2001233120223 in words is "two trillion, one billion, two hundred thirty-three million, one hundred twenty thousand, two hundred twenty-three".