123934863 has 24 divisors (see below), whose sum is σ = 180791184. Its totient is φ = 75064320.

The previous prime is 123934861. The next prime is 123934873. The reversal of 123934863 is 368439321.

It is not a de Polignac number, because 123934863 - 2¹ = 123934861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123934861) 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, 684633 + ... + 684813.

It is an arithmetic number, because the mean of its divisors is an integer number (7532966).

Almost surely, 2^123934863 is an apocalyptic number.

123934863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123934863 is a deficient number, since it is larger than the sum of its proper divisors (56856321).

123934863 is an equidigital number, since it uses as much as digits as its factorization.

123934863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 294 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 123934863 is about 11132.6036038296. The cubic root of 123934863 is about 498.5757642906.

The spelling of 123934863 in words is "one hundred twenty-three million, nine hundred thirty-four thousand, eight hundred sixty-three".