40323011 has 2 divisors, whose sum is σ = 40323012. Its totient is φ = 40323010.

The previous prime is 40323001. The next prime is 40323029. The reversal of 40323011 is 11032304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40323011 - 2²² = 36128707 is a prime.

It is a super-3 number, since 3×40323011³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40323001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161505 + 20161506.

It is an arithmetic number, because the mean of its divisors is an integer number (20161506).

Almost surely, 2^40323011 is an apocalyptic number.

40323011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323011 is an equidigital number, since it uses as much as digits as its factorization.

40323011 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 14.

The square root of 40323011 is about 6350.0402360930. The cubic root of 40323011 is about 342.9132908458.

Adding to 40323011 its reverse (11032304), we get a palindrome (51355315).

The spelling of 40323011 in words is "forty million, three hundred twenty-three thousand, eleven".