23112210 has 48 divisors (see below), whose sum is σ = 60979968. Its totient is φ = 5602080.

The previous prime is 23112209. The next prime is 23112239. The reversal of 23112210 is 1221132.

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, 447 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1270416).

Almost surely, 2^23112210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30489984).

23112210 is an abundant number, since it is smaller than the sum of its proper divisors (37867758).

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

23112210 is a wasteful number, since it uses less digits than its factorization.

23112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399 (or 6388 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 23112210 is about 4807.5159906130. The cubic root of 23112210 is about 284.8484266351.

Adding to 23112210 its reverse (1221132), we get a palindrome (24333342).

It can be divided in two parts, 231122 and 10, that added together give a palindrome (231132).

The spelling of 23112210 in words is "twenty-three million, one hundred twelve thousand, two hundred ten".