231230445 has 8 divisors (see below), whose sum is σ = 369968736. Its totient is φ = 123322896.

The previous prime is 231230429. The next prime is 231230471. The reversal of 231230445 is 544032132.

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

It is not a de Polignac number, because 231230445 - 2⁴ = 231230429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7707667 + ... + 7707696.

It is an arithmetic number, because the mean of its divisors is an integer number (46246092).

Almost surely, 2^231230445 is an apocalyptic number.

It is an amenable number.

231230445 is a deficient number, since it is larger than the sum of its proper divisors (138738291).

231230445 is a wasteful number, since it uses less digits than its factorization.

231230445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15415371.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 231230445 is about 15206.2633477130. The cubic root of 231230445 is about 613.7832111755.

Adding to 231230445 its reverse (544032132), we get a palindrome (775262577).

The spelling of 231230445 in words is "two hundred thirty-one million, two hundred thirty thousand, four hundred forty-five".