23010221320 has 64 divisors (see below), whose sum is σ = 54518428800. Its totient is φ = 8716377600.

The previous prime is 23010221287. The next prime is 23010221329. The reversal of 23010221320 is 2312201032.

It is a junction number, because it is equal to n+sod(n) for n = 23010221294 and 23010221303.

It is not an unprimeable number, because it can be changed into a prime (23010221329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189157 + ... + 3196363.

It is an arithmetic number, because the mean of its divisors is an integer number (851850450).

Almost surely, 2^23010221320 is an apocalyptic number.

23010221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23010221320 is an abundant number, since it is smaller than the sum of its proper divisors (31508207480).

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

23010221320 is a wasteful number, since it uses less digits than its factorization.

23010221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438 (or 11434 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23010221320 its reverse (2312201032), we get a palindrome (25322422352).

The spelling of 23010221320 in words is "twenty-three billion, ten million, two hundred twenty-one thousand, three hundred twenty".