23221313030 has 128 divisors (see below), whose sum is σ = 47939973120. Its totient is φ = 8044185600.

The previous prime is 23221312997. The next prime is 23221313041. The reversal of 23221313030 is 3031312232.

It is a junction number, because it is equal to n+sod(n) for n = 23221312993 and 23221313011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22922804 + ... + 22923816.

It is an arithmetic number, because the mean of its divisors is an integer number (374531040).

Almost surely, 2^23221313030 is an apocalyptic number.

23221313030 is an abundant number, since it is smaller than the sum of its proper divisors (24718660090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221313030 is a wasteful number, since it uses less digits than its factorization.

23221313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23221313030 its reverse (3031312232), we get a palindrome (26252625262).

The spelling of 23221313030 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirteen thousand, thirty".