40232263 has 2 divisors, whose sum is σ = 40232264. Its totient is φ = 40232262.

The previous prime is 40232261. The next prime is 40232273. The reversal of 40232263 is 36223204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40232263 - 2¹ = 40232261 is a prime.

It is a super-2 number, since 2×40232263² = 3237269972202338, which contains 22 as substring.

Together with 40232261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40232261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116131 + 20116132.

It is an arithmetic number, because the mean of its divisors is an integer number (20116132).

Almost surely, 2^40232263 is an apocalyptic number.

40232263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232263 is an equidigital number, since it uses as much as digits as its factorization.

40232263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40232263 is about 6342.8907447630. The cubic root of 40232263 is about 342.6558524894.

Adding to 40232263 its reverse (36223204), we get a palindrome (76455467).

The spelling of 40232263 in words is "forty million, two hundred thirty-two thousand, two hundred sixty-three".