234105517863 has 24 divisors (see below), whose sum is σ = 387468976128. Its totient is φ = 133425286992.

The previous prime is 234105517843. The next prime is 234105517927. The reversal of 234105517863 is 368715501432.

It is a happy number.

234105517863 is a `hidden beast` number, since 2 + 3 + 4 + 10 + 551 + 7 + 86 + 3 = 666.

It is not a de Polignac number, because 234105517863 - 2¹⁶ = 234105452327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234105517813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4826995 + ... + 4875252.

It is an arithmetic number, because the mean of its divisors is an integer number (16144540672).

Almost surely, 2^234105517863 is an apocalyptic number.

234105517863 is a deficient number, since it is larger than the sum of its proper divisors (153363458265).

234105517863 is a wasteful number, since it uses less digits than its factorization.

234105517863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702643 (or 9702640 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 234105517863 in words is "two hundred thirty-four billion, one hundred five million, five hundred seventeen thousand, eight hundred sixty-three".