223345567890 has 40 divisors (see below), whose sum is σ = 600551418060. Its totient is φ = 59558817888.

The previous prime is 223345567883. The next prime is 223345567897. The reversal of 223345567890 is 98765543322.

223345567890 is a `hidden beast` number, since 2 + 2 + 3 + 3 + 4 + 556 + 7 + 89 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (223345567883) and next prime (223345567897).

It can be written as a sum of positive squares in 2 ways, for example, as 223332801561 + 12766329 = 472581^2 + 3573^2 .

It is a super-2 number, since 2×223345567890² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (223345567897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137866825 + ... + 137868444.

Almost surely, 2^223345567890 is an apocalyptic number.

223345567890 is an abundant number, since it is smaller than the sum of its proper divisors (377205850170).

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

223345567890 is a wasteful number, since it uses less digits than its factorization.

223345567890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275735288 (or 275735279 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 223345567890 in words is "two hundred twenty-three billion, three hundred forty-five million, five hundred sixty-seven thousand, eight hundred ninety".