2001223323310 has 16 divisors (see below), whose sum is σ = 3637867349952. Its totient is φ = 792563692000.

The previous prime is 2001223323227. The next prime is 2001223323433. The reversal of 2001223323310 is 133233221002.

It is a super-2 number, since 2×2001223323310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990703606 + ... + 990705625.

It is an arithmetic number, because the mean of its divisors is an integer number (227366709372).

Almost surely, 2^{2001223323310} is an apocalyptic number.

2001223323310 is a deficient number, since it is larger than the sum of its proper divisors (1636644026642).

2001223323310 is a wasteful number, since it uses less digits than its factorization.

2001223323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981409339.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2001223323310 its reverse (133233221002), we get a palindrome (2134456544312).

The spelling of 2001223323310 in words is "two trillion, one billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred ten".