231446423 has 4 divisors (see below), whose sum is σ = 249250008. Its totient is φ = 213642840.

The previous prime is 231446399. The next prime is 231446431. The reversal of 231446423 is 324644132.

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

It is a cyclic number.

It is not a de Polignac number, because 231446423 - 2¹⁰ = 231445399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231446443) 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, 8901773 + ... + 8901798.

It is an arithmetic number, because the mean of its divisors is an integer number (62312502).

Almost surely, 2^231446423 is an apocalyptic number.

231446423 is a deficient number, since it is larger than the sum of its proper divisors (17803585).

231446423 is a wasteful number, since it uses less digits than its factorization.

231446423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17803584.

The product of its digits is 13824, while the sum is 29.

The square root of 231446423 is about 15213.3633033593. The cubic root of 231446423 is about 613.9742506364.

The spelling of 231446423 in words is "two hundred thirty-one million, four hundred forty-six thousand, four hundred twenty-three".