4202306243 has 4 divisors (see below), whose sum is σ = 4204766880. Its totient is φ = 4199845608.

The previous prime is 4202306189. The next prime is 4202306249. The reversal of 4202306243 is 3426032024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202306243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202306249) 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, 1227755 + ... + 1231172.

It is an arithmetic number, because the mean of its divisors is an integer number (1051191720).

Almost surely, 2^4202306243 is an apocalyptic number.

4202306243 is a deficient number, since it is larger than the sum of its proper divisors (2460637).

4202306243 is a wasteful number, since it uses less digits than its factorization.

4202306243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460636.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4202306243 is about 64825.1975932199. The cubic root of 4202306243 is about 1613.7239061565.

Adding to 4202306243 its reverse (3426032024), we get a palindrome (7628338267).

The spelling of 4202306243 in words is "four billion, two hundred two million, three hundred six thousand, two hundred forty-three".