223403000240 has 40 divisors (see below), whose sum is σ = 593613687840. Its totient is φ = 76595314176.

The previous prime is 223403000239. The next prime is 223403000251. The reversal of 223403000240 is 42000304322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 199466405 + ... + 199467524.

It is an arithmetic number, because the mean of its divisors is an integer number (14840342196).

Almost surely, 2^223403000240 is an apocalyptic number.

223403000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223403000240 is an abundant number, since it is smaller than the sum of its proper divisors (370210687600).

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

223403000240 is a wasteful number, since it uses less digits than its factorization.

223403000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398933949 (or 398933943 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 223403000240 its reverse (42000304322), we get a palindrome (265403304562).

The spelling of 223403000240 in words is "two hundred twenty-three billion, four hundred three million, two hundred forty", and thus it is an aban number.