40233200243 has 4 divisors (see below), whose sum is σ = 40247139120. Its totient is φ = 40219261368.

The previous prime is 40233200237. The next prime is 40233200279. The reversal of 40233200243 is 34200233204.

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

It is a cyclic number.

It is not a de Polignac number, because 40233200243 - 2¹⁶ = 40233134707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40233200213) 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, 6965108 + ... + 6970881.

It is an arithmetic number, because the mean of its divisors is an integer number (10061784780).

Almost surely, 2^40233200243 is an apocalyptic number.

40233200243 is a deficient number, since it is larger than the sum of its proper divisors (13938877).

40233200243 is a wasteful number, since it uses less digits than its factorization.

40233200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938876.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40233200243 its reverse (34200233204), we get a palindrome (74433433447).

The spelling of 40233200243 in words is "forty billion, two hundred thirty-three million, two hundred thousand, two hundred forty-three".