2033400243 has 24 divisors (see below), whose sum is σ = 3291511552. Its totient is φ = 1093590144.

The previous prime is 2033400241. The next prime is 2033400293. The reversal of 2033400243 is 3420043302.

It is not a de Polignac number, because 2033400243 - 2¹ = 2033400241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2033400241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161455 + ... + 173592.

Almost surely, 2^2033400243 is an apocalyptic number.

2033400243 is a deficient number, since it is larger than the sum of its proper divisors (1258111309).

2033400243 is a wasteful number, since it uses less digits than its factorization.

2033400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335091 (or 335074 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2033400243 is about 45093.2394378581. The cubic root of 2033400243 is about 1266.8959769593.

Adding to 2033400243 its reverse (3420043302), we get a palindrome (5453443545).

The spelling of 2033400243 in words is "two billion, thirty-three million, four hundred thousand, two hundred forty-three".