11722003023 has 16 divisors (see below), whose sum is σ = 15976768640. Its totient is φ = 7642632096.

The previous prime is 11722003019. The next prime is 11722003049. The reversal of 11722003023 is 32030022711.

It is not a de Polignac number, because 11722003023 - 2² = 11722003019 is a prime.

It is a super-2 number, since 2×11722003023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722003093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181840 + ... + 237717.

It is an arithmetic number, because the mean of its divisors is an integer number (998548040).

Almost surely, 2^11722003023 is an apocalyptic number.

11722003023 is a deficient number, since it is larger than the sum of its proper divisors (4254765617).

11722003023 is a wasteful number, since it uses less digits than its factorization.

11722003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419766.

The product of its (nonzero) digits is 504, while the sum is 21.

Adding to 11722003023 its reverse (32030022711), we get a palindrome (43752025734).

The spelling of 11722003023 in words is "eleven billion, seven hundred twenty-two million, three thousand, twenty-three".