40233983 has 2 divisors, whose sum is σ = 40233984. Its totient is φ = 40233982.

The previous prime is 40233979. The next prime is 40234027. The reversal of 40233983 is 38933204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40233983 - 2² = 40233979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40233283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116991 + 20116992.

It is an arithmetic number, because the mean of its divisors is an integer number (20116992).

Almost surely, 2^40233983 is an apocalyptic number.

40233983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233983 is an equidigital number, since it uses as much as digits as its factorization.

40233983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 40233983 is about 6343.0263281812. The cubic root of 40233983 is about 342.6607354666.

The spelling of 40233983 in words is "forty million, two hundred thirty-three thousand, nine hundred eighty-three".