223140 has 24 divisors (see below), whose sum is σ = 624960. Its totient is φ = 59488.

The previous prime is 223133. The next prime is 223151. The reversal of 223140 is 41322.

223140 is nontrivially palindromic in base 9.

It is a super-3 number, since 3×223140³ = 33331398885432000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1800 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (26040).

2²²³¹⁴⁰ is an apocalyptic number.

223140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223140 is an abundant number, since it is smaller than the sum of its proper divisors (401820).

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

223140 is a wasteful number, since it uses less digits than its factorization.

223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3729 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 223140 is about 472.3769681092. The cubic root of 223140 is about 60.6539575411.

Adding to 223140 its reverse (41322), we get a palindrome (264462).

It can be divided in two parts, 223 and 140, that added together give a palindrome (363).

The spelling of 223140 in words is "two hundred twenty-three thousand, one hundred forty", and thus it is an iban number.