23012221032 has 96 divisors (see below), whose sum is σ = 65650260000. Its totient is φ = 7262006400.

The previous prime is 23012220983. The next prime is 23012221061.

23012221032 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23012220996 and 23012221014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2319282 + ... + 2329182.

It is an arithmetic number, because the mean of its divisors is an integer number (683856875).

Almost surely, 2^23012221032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012221032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32825130000).

23012221032 is an abundant number, since it is smaller than the sum of its proper divisors (42638038968).

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

23012221032 is a wasteful number, since it uses less digits than its factorization.

23012221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631 (or 11624 counting only the distinct ones).

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

The spelling of 23012221032 in words is "twenty-three billion, twelve million, two hundred twenty-one thousand, thirty-two".