231005463 has 16 divisors (see below), whose sum is σ = 335432160. Its totient is φ = 140557824.

The previous prime is 231005461. The next prime is 231005471. The reversal of 231005463 is 364500132.

It is a happy number.

It is not a de Polignac number, because 231005463 - 2¹ = 231005461 is a prime.

It is a super-3 number, since 3×231005463³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231005461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29806 + ... + 36747.

It is an arithmetic number, because the mean of its divisors is an integer number (20964510).

Almost surely, 2^231005463 is an apocalyptic number.

231005463 is a deficient number, since it is larger than the sum of its proper divisors (104426697).

231005463 is a wasteful number, since it uses less digits than its factorization.

231005463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66658.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231005463 is about 15198.8638720136. The cubic root of 231005463 is about 613.5840808450.

Adding to 231005463 its reverse (364500132), we get a palindrome (595505595).

The spelling of 231005463 in words is "two hundred thirty-one million, five thousand, four hundred sixty-three".