23211134320 has 40 divisors (see below), whose sum is σ = 58871879280. Its totient is φ = 8440412160.

The previous prime is 23211134269. The next prime is 23211134351. The reversal of 23211134320 is 2343111232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23211134291 and 23211134300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187265 + ... + 13189024.

It is an arithmetic number, because the mean of its divisors is an integer number (1471796982).

Almost surely, 2^23211134320 is an apocalyptic number.

23211134320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211134320 is an abundant number, since it is smaller than the sum of its proper divisors (35660744960).

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

23211134320 is a wasteful number, since it uses less digits than its factorization.

23211134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26376313 (or 26376307 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23211134320 its reverse (2343111232), we get a palindrome (25554245552).

The spelling of 23211134320 in words is "twenty-three billion, two hundred eleven million, one hundred thirty-four thousand, three hundred twenty".