40230213 has 4 divisors (see below), whose sum is σ = 53640288. Its totient is φ = 26820140.

The previous prime is 40230191. The next prime is 40230247. The reversal of 40230213 is 31203204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40230213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40230192 and 40230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705033 + ... + 6705038.

It is an arithmetic number, because the mean of its divisors is an integer number (13410072).

Almost surely, 2^40230213 is an apocalyptic number.

It is an amenable number.

40230213 is a deficient number, since it is larger than the sum of its proper divisors (13410075).

40230213 is a wasteful number, since it uses less digits than its factorization.

40230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410074.

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

The square root of 40230213 is about 6342.7291444614. The cubic root of 40230213 is about 342.6500324801.

Adding to 40230213 its reverse (31203204), we get a palindrome (71433417).

The spelling of 40230213 in words is "forty million, two hundred thirty thousand, two hundred thirteen".