230749947 has 6 divisors (see below), whose sum is σ = 333305492. Its totient is φ = 153833292.

The previous prime is 230749933. The next prime is 230749951. The reversal of 230749947 is 749947032.

It is not a de Polignac number, because 230749947 - 2¹⁰ = 230748923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230749907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12819433 + ... + 12819450.

Almost surely, 2^230749947 is an apocalyptic number.

230749947 is a deficient number, since it is larger than the sum of its proper divisors (102555545).

230749947 is a wasteful number, since it uses less digits than its factorization.

230749947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25638889 (or 25638886 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 230749947 is about 15190.4557864470. The cubic root of 230749947 is about 613.3577681730.

The spelling of 230749947 in words is "two hundred thirty million, seven hundred forty-nine thousand, nine hundred forty-seven".