223124140 has 12 divisors (see below), whose sum is σ = 468560736. Its totient is φ = 89249648.

The previous prime is 223124129. The next prime is 223124149. The reversal of 223124140 is 41421322.

223124140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223124140³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223124149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578084 + ... + 5578123.

It is an arithmetic number, because the mean of its divisors is an integer number (39046728).

Almost surely, 2^223124140 is an apocalyptic number.

223124140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223124140 is an abundant number, since it is smaller than the sum of its proper divisors (245436596).

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

223124140 is a wasteful number, since it uses less digits than its factorization.

223124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156216 (or 11156214 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 223124140 is about 14937.3404593991. The cubic root of 223124140 is about 606.5252048435.

Adding to 223124140 its reverse (41421322), we get a palindrome (264545462).

The spelling of 223124140 in words is "two hundred twenty-three million, one hundred twenty-four thousand, one hundred forty".