23221210023 has 24 divisors (see below), whose sum is σ = 36946266240. Its totient is φ = 13936818960.

The previous prime is 23221210007. The next prime is 23221210037. The reversal of 23221210023 is 32001212232.

It is not a de Polignac number, because 23221210023 - 2⁴ = 23221210007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23221209978 and 23221210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221210093) 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, 1128433 + ... + 1148826.

It is an arithmetic number, because the mean of its divisors is an integer number (1539427760).

Almost surely, 2^23221210023 is an apocalyptic number.

23221210023 is a deficient number, since it is larger than the sum of its proper divisors (13725056217).

23221210023 is a wasteful number, since it uses less digits than its factorization.

23221210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277379 (or 2277376 counting only the distinct ones).

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

Adding to 23221210023 its reverse (32001212232), we get a palindrome (55222422255).

The spelling of 23221210023 in words is "twenty-three billion, two hundred twenty-one million, two hundred ten thousand, twenty-three".