231880463 has 2 divisors, whose sum is σ = 231880464. Its totient is φ = 231880462.

The previous prime is 231880447. The next prime is 231880471. The reversal of 231880463 is 364088132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231880463 - 2⁴ = 231880447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231880483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115940231 + 115940232.

It is an arithmetic number, because the mean of its divisors is an integer number (115940232).

Almost surely, 2^231880463 is an apocalyptic number.

231880463 is a deficient number, since it is larger than the sum of its proper divisors (1).

231880463 is an equidigital number, since it uses as much as digits as its factorization.

231880463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 231880463 is about 15227.6217118761. The cubic root of 231880463 is about 614.3578138067.

The spelling of 231880463 in words is "two hundred thirty-one million, eight hundred eighty thousand, four hundred sixty-three".