68623239 has 8 divisors (see below), whose sum is σ = 92337520. Its totient is φ = 45328896.

The previous prime is 68623229. The next prime is 68623249. The reversal of 68623239 is 93232686.

It is an interprime number because it is at equal distance from previous prime (68623229) and next prime (68623249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68623239 - 2⁵ = 68623207 is a prime.

It is a super-2 number, since 2×68623239² = 9418297861702242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68623197 and 68623206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68623229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104602 + ... + 105255.

It is an arithmetic number, because the mean of its divisors is an integer number (11542190).

Almost surely, 2^68623239 is an apocalyptic number.

68623239 is a deficient number, since it is larger than the sum of its proper divisors (23714281).

68623239 is a wasteful number, since it uses less digits than its factorization.

68623239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209969.

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

The square root of 68623239 is about 8283.9144732427. The cubic root of 68623239 is about 409.4087034699.

It can be divided in two parts, 6862 and 3239, that added together give a palindrome (10101).

The spelling of 68623239 in words is "sixty-eight million, six hundred twenty-three thousand, two hundred thirty-nine".