40232013 has 8 divisors (see below), whose sum is σ = 56798208. Its totient is φ = 25243584.

The previous prime is 40231999. The next prime is 40232033. The reversal of 40232013 is 31023204.

40232013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40232013 - 2⁹ = 40231501 is a prime.

It is a super-2 number, since 2×40232013² = 3237229740064338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40231983 and 40232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232033) 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, 394381 + ... + 394482.

It is an arithmetic number, because the mean of its divisors is an integer number (7099776).

Almost surely, 2^40232013 is an apocalyptic number.

It is an amenable number.

40232013 is a deficient number, since it is larger than the sum of its proper divisors (16566195).

40232013 is a wasteful number, since it uses less digits than its factorization.

40232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788883.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40232013 is about 6342.8710376296. The cubic root of 40232013 is about 342.6551427427.

Adding to 40232013 its reverse (31023204), we get a palindrome (71255217).

It can be divided in two parts, 4023201 and 3, that added together give a palindrome (4023204).

The spelling of 40232013 in words is "forty million, two hundred thirty-two thousand, thirteen".