68253623 has 8 divisors (see below), whose sum is σ = 72358992. Its totient is φ = 64158336.

The previous prime is 68253593. The next prime is 68253629. The reversal of 68253623 is 32635286.

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

It is a cyclic number.

It is not a de Polignac number, because 68253623 - 2¹⁰ = 68252599 is a prime.

It is a super-2 number, since 2×68253623² = 9317114105252258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68253629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14936 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (9044874).

Almost surely, 2^68253623 is an apocalyptic number.

68253623 is a deficient number, since it is larger than the sum of its proper divisors (4105369).

68253623 is a wasteful number, since it uses less digits than its factorization.

68253623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its digits is 51840, while the sum is 35.

The square root of 68253623 is about 8261.5750919543. The cubic root of 68253623 is about 408.6723323769.

The spelling of 68253623 in words is "sixty-eight million, two hundred fifty-three thousand, six hundred twenty-three".