20110006723 has 4 divisors (see below), whose sum is σ = 20126265040. Its totient is φ = 20093748408.

The previous prime is 20110006681. The next prime is 20110006747. The reversal of 20110006723 is 32760001102.

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 20110006723 - 2⁹ = 20110006211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110006694 and 20110006703.

It is not an unprimeable number, because it can be changed into a prime (20110006793) 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, 8127303 + ... + 8129776.

It is an arithmetic number, because the mean of its divisors is an integer number (5031566260).

Almost surely, 2^20110006723 is an apocalyptic number.

20110006723 is a deficient number, since it is larger than the sum of its proper divisors (16258317).

20110006723 is a wasteful number, since it uses less digits than its factorization.

20110006723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258316.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20110006723 its reverse (32760001102), we get a palindrome (52870007825).

The spelling of 20110006723 in words is "twenty billion, one hundred ten million, six thousand, seven hundred twenty-three".