223123302240 has 96 divisors (see below), whose sum is σ = 721834092000. Its totient is φ = 57891446784.

The previous prime is 223123302221. The next prime is 223123302251. The reversal of 223123302240 is 42203321322.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×223123302240³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 223123302240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6263865 + ... + 6299384.

It is an arithmetic number, because the mean of its divisors is an integer number (7519105125).

Almost surely, 2^223123302240 is an apocalyptic number.

223123302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223123302240 is an abundant number, since it is smaller than the sum of its proper divisors (498710789760).

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

223123302240 is a wasteful number, since it uses less digits than its factorization.

223123302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563304 (or 12563296 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 223123302240 its reverse (42203321322), we get a palindrome (265326623562).

The spelling of 223123302240 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred two thousand, two hundred forty".