231463263229 has 4 divisors (see below), whose sum is σ = 252505378080. Its totient is φ = 210421148380.

The previous prime is 231463263203. The next prime is 231463263259. The reversal of 231463263229 is 922362364132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231463263229 - 2¹⁷ = 231463132157 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 (231463263259) 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, 10521057409 + ... + 10521057430.

It is an arithmetic number, because the mean of its divisors is an integer number (63126344520).

Almost surely, 2^231463263229 is an apocalyptic number.

It is an amenable number.

231463263229 is a deficient number, since it is larger than the sum of its proper divisors (21042114851).

231463263229 is a wasteful number, since it uses less digits than its factorization.

231463263229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042114850.

The product of its digits is 559872, while the sum is 43.

The spelling of 231463263229 in words is "two hundred thirty-one billion, four hundred sixty-three million, two hundred sixty-three thousand, two hundred twenty-nine".