223234187040 has 144 divisors (see below), whose sum is σ = 761945341248. Its totient is φ = 59516717568.

The previous prime is 223234186999. The next prime is 223234187047. The reversal of 223234187040 is 40781432322.

It is a happy number.

223234187040 is a `hidden beast` number, since 2 + 232 + 3 + 418 + 7 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×223234187040³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 223234186986 and 223234187004.

It is not an unprimeable number, because it can be changed into a prime (223234187047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8435269 + ... + 8461691.

It is an arithmetic number, because the mean of its divisors is an integer number (5291287092).

Almost surely, 2^223234187040 is an apocalyptic number.

223234187040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223234187040 is an abundant number, since it is smaller than the sum of its proper divisors (538711154208).

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

223234187040 is a wasteful number, since it uses less digits than its factorization.

223234187040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32311 (or 32300 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 223234187040 in words is "two hundred twenty-three billion, two hundred thirty-four million, one hundred eighty-seven thousand, forty".