40230013 has 8 divisors (see below), whose sum is σ = 42164928. Its totient is φ = 38310624.

The previous prime is 40229963. The next prime is 40230031. The reversal of 40230013 is 31003204.

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

It is a cyclic number.

It is not a de Polignac number, because 40230013 - 2¹³ = 40221821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40229975 and 40230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 9112.

It is an arithmetic number, because the mean of its divisors is an integer number (5270616).

Almost surely, 2^40230013 is an apocalyptic number.

It is an amenable number.

40230013 is a deficient number, since it is larger than the sum of its proper divisors (1934915).

40230013 is a wasteful number, since it uses less digits than its factorization.

40230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40230013 is about 6342.7133783579. The cubic root of 40230013 is about 342.6494646637.

Adding to 40230013 its reverse (31003204), we get a palindrome (71233217).

The spelling of 40230013 in words is "forty million, two hundred thirty thousand, thirteen".