23114220 has 144 divisors (see below), whose sum is σ = 72619008. Its totient is φ = 5483520.

The previous prime is 23114197. The next prime is 23114239. The reversal of 23114220 is 2241132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23114220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537519 + ... + 537561.

Almost surely, 2^23114220 is an apocalyptic number.

23114220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23114220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36309504).

23114220 is an abundant number, since it is smaller than the sum of its proper divisors (49504788).

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

23114220 is a wasteful number, since it uses less digits than its factorization.

23114220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23114220 is about 4807.7250337348. The cubic root of 23114220 is about 284.8566838685.

Adding to 23114220 its reverse (2241132), we get a palindrome (25355352).

The spelling of 23114220 in words is "twenty-three million, one hundred fourteen thousand, two hundred twenty".