68612023 has 4 divisors (see below), whose sum is σ = 70466440. Its totient is φ = 66757608.

The previous prime is 68612009. The next prime is 68612029. The reversal of 68612023 is 32021686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68612023 - 2⁹ = 68611511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68611982 and 68612000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68612029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927153 + ... + 927226.

It is an arithmetic number, because the mean of its divisors is an integer number (17616610).

Almost surely, 2^68612023 is an apocalyptic number.

68612023 is a deficient number, since it is larger than the sum of its proper divisors (1854417).

68612023 is a wasteful number, since it uses less digits than its factorization.

68612023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854416.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 68612023 is about 8283.2374709409. The cubic root of 68612023 is about 409.3863972353.

The spelling of 68612023 in words is "sixty-eight million, six hundred twelve thousand, twenty-three".