23211120023 has 24 divisors (see below), whose sum is σ = 29199522240. Its totient is φ = 18287881920.

The previous prime is 23211120019. The next prime is 23211120041. The reversal of 23211120023 is 32002111232.

It is not a de Polignac number, because 23211120023 - 2² = 23211120019 is a prime.

It is a super-2 number, since 2×23211120023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211119983 and 23211120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211120923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76013 + ... + 228473.

It is an arithmetic number, because the mean of its divisors is an integer number (1216646760).

Almost surely, 2^23211120023 is an apocalyptic number.

23211120023 is a deficient number, since it is larger than the sum of its proper divisors (5988402217).

23211120023 is a wasteful number, since it uses less digits than its factorization.

23211120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152727 (or 152720 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23211120023 its reverse (32002111232), we get a palindrome (55213231255).

The spelling of 23211120023 in words is "twenty-three billion, two hundred eleven million, one hundred twenty thousand, twenty-three".