231267963834 has 16 divisors (see below), whose sum is σ = 513928808640. Its totient is φ = 77089321260.

The previous prime is 231267963821. The next prime is 231267963877. The reversal of 231267963834 is 438369762132.

231267963834 is a `hidden beast` number, since 231 + 26 + 7 + 9 + 6 + 383 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 4282740071 = 231267963834 / (2 + 3 + 1 + 2 + 6 + 7 + 9 + 6 + 3 + 8 + 3 + 4).

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, 2141369982 + ... + 2141370089.

It is an arithmetic number, because the mean of its divisors is an integer number (32120550540).

Almost surely, 2^231267963834 is an apocalyptic number.

231267963834 is an abundant number, since it is smaller than the sum of its proper divisors (282660844806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231267963834 is a wasteful number, since it uses less digits than its factorization.

231267963834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282740082 (or 4282740076 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 231267963834 in words is "two hundred thirty-one billion, two hundred sixty-seven million, nine hundred sixty-three thousand, eight hundred thirty-four".