101023993 has 4 divisors (see below), whose sum is σ = 115456000. Its totient is φ = 86591988.

The previous prime is 101023987. The next prime is 101023999. The reversal of 101023993 is 399320101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 399320101 = 18401 ⋅21701.

It is an interprime number because it is at equal distance from previous prime (101023987) and next prime (101023999).

It is not a de Polignac number, because 101023993 - 2⁵ = 101023961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101023999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215993 + ... + 7216006.

It is an arithmetic number, because the mean of its divisors is an integer number (28864000).

Almost surely, 2^101023993 is an apocalyptic number.

It is an amenable number.

101023993 is a deficient number, since it is larger than the sum of its proper divisors (14432007).

101023993 is an equidigital number, since it uses as much as digits as its factorization.

101023993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432006.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 101023993 is about 10051.0692466026. The cubic root of 101023993 is about 465.7378243060.

The spelling of 101023993 in words is "one hundred one million, twenty-three thousand, nine hundred ninety-three".