93987923 has 2 divisors, whose sum is σ = 93987924. Its totient is φ = 93987922.

The previous prime is 93987911. The next prime is 93987931. The reversal of 93987923 is 32978939.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93987923 is a prime.

It is not a weakly prime, because it can be changed into another prime (93947923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46993961 + 46993962.

It is an arithmetic number, because the mean of its divisors is an integer number (46993962).

Almost surely, 2^93987923 is an apocalyptic number.

93987923 is a deficient number, since it is larger than the sum of its proper divisors (1).

93987923 is an equidigital number, since it uses as much as digits as its factorization.

93987923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 93987923 is about 9694.7368711069. The cubic root of 93987923 is about 454.6641211544.

The spelling of 93987923 in words is "ninety-three million, nine hundred eighty-seven thousand, nine hundred twenty-three".