10321011623 has 4 divisors (see below), whose sum is σ = 11114935608. Its totient is φ = 9527087640.

The previous prime is 10321011601. The next prime is 10321011653. The reversal of 10321011623 is 32611012301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10321011623 - 2²⁰ = 10319963047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321011595 and 10321011604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321011653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396961973 + ... + 396961998.

It is an arithmetic number, because the mean of its divisors is an integer number (2778733902).

Almost surely, 2^10321011623 is an apocalyptic number.

10321011623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10321011623 is a deficient number, since it is larger than the sum of its proper divisors (793923985).

10321011623 is an equidigital number, since it uses as much as digits as its factorization.

10321011623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793923984.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10321011623 its reverse (32611012301), we get a palindrome (42932023924).

The spelling of 10321011623 in words is "ten billion, three hundred twenty-one million, eleven thousand, six hundred twenty-three".