40133323 has 2 divisors, whose sum is σ = 40133324. Its totient is φ = 40133322.

The previous prime is 40133297. The next prime is 40133351. The reversal of 40133323 is 32333104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40133323 - 2¹⁷ = 40002251 is a prime.

It is a super-2 number, since 2×40133323² = 3221367230044658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40133323.

It is not a weakly prime, because it can be changed into another prime (40133363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066661 + 20066662.

It is an arithmetic number, because the mean of its divisors is an integer number (20066662).

Almost surely, 2^40133323 is an apocalyptic number.

40133323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40133323 is an equidigital number, since it uses as much as digits as its factorization.

40133323 is an evil number, because the sum of its binary digits is even.

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

The square root of 40133323 is about 6335.0866608121. The cubic root of 40133323 is about 342.3747331697.

Adding to 40133323 its reverse (32333104), we get a palindrome (72466427).

The spelling of 40133323 in words is "forty million, one hundred thirty-three thousand, three hundred twenty-three".