68486923 has 2 divisors, whose sum is σ = 68486924. Its totient is φ = 68486922.

The previous prime is 68486861. The next prime is 68486953. The reversal of 68486923 is 32968486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68486923 - 2¹³ = 68478731 is a prime.

It is not a weakly prime, because it can be changed into another prime (68486953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34243461 + 34243462.

It is an arithmetic number, because the mean of its divisors is an integer number (34243462).

Almost surely, 2^68486923 is an apocalyptic number.

68486923 is a deficient number, since it is larger than the sum of its proper divisors (1).

68486923 is an equidigital number, since it uses as much as digits as its factorization.

68486923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 68486923 is about 8275.6826304541. The cubic root of 68486923 is about 409.1374350571.

The spelling of 68486923 in words is "sixty-eight million, four hundred eighty-six thousand, nine hundred twenty-three".