20067923 has 2 divisors, whose sum is σ = 20067924. Its totient is φ = 20067922.

The previous prime is 20067917. The next prime is 20067959. The reversal of 20067923 is 32976002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20067923 - 2¹⁰ = 20066899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20064923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033961 + 10033962.

It is an arithmetic number, because the mean of its divisors is an integer number (10033962).

Almost surely, 2^20067923 is an apocalyptic number.

20067923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20067923 is an equidigital number, since it uses as much as digits as its factorization.

20067923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20067923 is about 4479.7235405770. The cubic root of 20067923 is about 271.7487000979.

The spelling of 20067923 in words is "twenty million, sixty-seven thousand, nine hundred twenty-three".