10005609923 has 4 divisors (see below), whose sum is σ = 10027314528. Its totient is φ = 9983905320.

The previous prime is 10005609919. The next prime is 10005609997. The reversal of 10005609923 is 32990650001.

10005609923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32990650001 = 23 ⋅1434376087.

It is a cyclic number.

It is not a de Polignac number, because 10005609923 - 2² = 10005609919 is a prime.

It is a super-2 number, since 2×10005609923² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10005609023) 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, 10851611 + ... + 10852532.

It is an arithmetic number, because the mean of its divisors is an integer number (2506828632).

Almost surely, 2^10005609923 is an apocalyptic number.

10005609923 is a deficient number, since it is larger than the sum of its proper divisors (21704605).

10005609923 is an equidigital number, since it uses as much as digits as its factorization.

10005609923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21704604.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 10005609923 in words is "ten billion, five million, six hundred nine thousand, nine hundred twenty-three".