23211130020330 has 128 divisors (see below), whose sum is σ = 65445908484096. Its totient is φ = 5159023833600.

The previous prime is 23211130020313. The next prime is 23211130020367. The reversal of 23211130020330 is 3302003111232.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23211130020297 and 23211130020306.

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, 9574236 + ... + 11751095.

It is an arithmetic number, because the mean of its divisors is an integer number (511296160032).

Almost surely, 2^{23211130020330} is an apocalyptic number.

23211130020330 is an abundant number, since it is smaller than the sum of its proper divisors (42234778463766).

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

23211130020330 is a wasteful number, since it uses less digits than its factorization.

23211130020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21325492.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23211130020330 its reverse (3302003111232), we get a palindrome (26513133131562).

The spelling of 23211130020330 in words is "twenty-three trillion, two hundred eleven billion, one hundred thirty million, twenty thousand, three hundred thirty".