40100233 has 2 divisors, whose sum is σ = 40100234. Its totient is φ = 40100232.

The previous prime is 40100227. The next prime is 40100239. The reversal of 40100233 is 33200104.

It is a balanced prime because it is at equal distance from previous prime (40100227) and next prime (40100239).

It can be written as a sum of positive squares in only one way, i.e., 23551609 + 16548624 = 4853^2 + 4068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40100233 is a prime.

It is not a weakly prime, because it can be changed into another prime (40100239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20050116 + 20050117.

It is an arithmetic number, because the mean of its divisors is an integer number (20050117).

Almost surely, 2^40100233 is an apocalyptic number.

It is an amenable number.

40100233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40100233 is an equidigital number, since it uses as much as digits as its factorization.

40100233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40100233 is about 6332.4744768534. The cubic root of 40100233 is about 342.2806110940.

Adding to 40100233 its reverse (33200104), we get a palindrome (73300337).

The spelling of 40100233 in words is "forty million, one hundred thousand, two hundred thirty-three".