2000031023233 has 4 divisors (see below), whose sum is σ = 2000213702100. Its totient is φ = 1999848344368.

The previous prime is 2000031023219. The next prime is 2000031023239. The reversal of 2000031023233 is 3323201300002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 329260211344 + 1670770811889 = 573812^2 + 1292583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000031023233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000031023233.

It is not an unprimeable number, because it can be changed into a prime (2000031023239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91323010 + ... + 91344907.

It is an arithmetic number, because the mean of its divisors is an integer number (500053425525).

Almost surely, 2^{2000031023233} is an apocalyptic number.

It is an amenable number.

2000031023233 is a deficient number, since it is larger than the sum of its proper divisors (182678867).

2000031023233 is a wasteful number, since it uses less digits than its factorization.

2000031023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182678866.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 2000031023233 its reverse (3323201300002), we get a palindrome (5323232323235).

It can be divided in two parts, 200003 and 1023233, that added together give a square (1223236 = 1106²).

The spelling of 2000031023233 in words is "two trillion, thirty-one million, twenty-three thousand, two hundred thirty-three".