23220321350 has 12 divisors (see below), whose sum is σ = 43189797804. Its totient is φ = 9288128520.

The previous prime is 23220321349. The next prime is 23220321353. The reversal of 23220321350 is 5312302232.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220321353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232203164 + ... + 232203263.

It is an arithmetic number, because the mean of its divisors is an integer number (3599149817).

Almost surely, 2^23220321350 is an apocalyptic number.

23220321350 is a deficient number, since it is larger than the sum of its proper divisors (19969476454).

23220321350 is a wasteful number, since it uses less digits than its factorization.

23220321350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464406439 (or 464406434 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 23220321350 its reverse (5312302232), we get a palindrome (28532623582).

The spelling of 23220321350 in words is "twenty-three billion, two hundred twenty million, three hundred twenty-one thousand, three hundred fifty".