68123481 has 16 divisors (see below), whose sum is σ = 93265920. Its totient is φ = 44205840.

The previous prime is 68123467. The next prime is 68123501. The reversal of 68123481 is 18432186.

It is not a de Polignac number, because 68123481 - 2¹⁵ = 68090713 is a prime.

It is a super-2 number, since 2×68123481² = 9281617327114722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68123431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45576 + ... + 47046.

It is an arithmetic number, because the mean of its divisors is an integer number (5829120).

Almost surely, 2^68123481 is an apocalyptic number.

It is an amenable number.

68123481 is a deficient number, since it is larger than the sum of its proper divisors (25142439).

68123481 is a wasteful number, since it uses less digits than its factorization.

68123481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its digits is 9216, while the sum is 33.

The square root of 68123481 is about 8253.6949907299. The cubic root of 68123481 is about 408.4124229791.

The spelling of 68123481 in words is "sixty-eight million, one hundred twenty-three thousand, four hundred eighty-one".