23021210223 has 24 divisors (see below), whose sum is σ = 36286844880. Its totient is φ = 13948018560.

The previous prime is 23021210189. The next prime is 23021210231. The reversal of 23021210223 is 32201212032.

23021210223 is a `hidden beast` number, since 230 + 2 + 1 + 210 + 223 = 666.

It is not a de Polignac number, because 23021210223 - 2¹² = 23021206127 is a prime.

It is a super-2 number, since 2×23021210223² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23021210196 and 23021210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021210323) 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, 309915 + ... + 376947.

It is an arithmetic number, because the mean of its divisors is an integer number (1511951870).

Almost surely, 2^23021210223 is an apocalyptic number.

23021210223 is a deficient number, since it is larger than the sum of its proper divisors (13265634657).

23021210223 is a wasteful number, since it uses less digits than its factorization.

23021210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70519 (or 70516 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23021210223 its reverse (32201212032), we get a palindrome (55222422255).

The spelling of 23021210223 in words is "twenty-three billion, twenty-one million, two hundred ten thousand, two hundred twenty-three".