40231563 has 8 divisors (see below), whose sum is σ = 53832768. Its totient is φ = 26725704.

The previous prime is 40231559. The next prime is 40231567. The reversal of 40231563 is 36513204.

It is a happy number.

40231563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40231559) and next prime (40231567).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40231563 - 2² = 40231559 is a prime.

It is a super-2 number, since 2×40231563² = 3237157322845938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40231567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22845 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (6729096).

Almost surely, 2^40231563 is an apocalyptic number.

40231563 is a deficient number, since it is larger than the sum of its proper divisors (13601205).

40231563 is a wasteful number, since it uses less digits than its factorization.

40231563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47673.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40231563 is about 6342.8355646351. The cubic root of 40231563 is about 342.6538651914.

Adding to 40231563 its reverse (36513204), we get a palindrome (76744767).

The spelling of 40231563 in words is "forty million, two hundred thirty-one thousand, five hundred sixty-three".