223134534 has 80 divisors (see below), whose sum is σ = 578798640. Its totient is φ = 63715680.

The previous prime is 223134529. The next prime is 223134539. The reversal of 223134534 is 435431322.

It is an interprime number because it is at equal distance from previous prime (223134529) and next prime (223134539).

It is a super-3 number, since 3×223134534³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 223134498 and 223134507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223134539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128794 + ... + 130514.

It is an arithmetic number, because the mean of its divisors is an integer number (7234983).

Almost surely, 2^223134534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223134534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289399320).

223134534 is an abundant number, since it is smaller than the sum of its proper divisors (355664106).

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

223134534 is an equidigital number, since it uses as much as digits as its factorization.

223134534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1733 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 223134534 is about 14937.6883753812. The cubic root of 223134534 is about 606.5346228072.

Adding to 223134534 its reverse (435431322), we get a palindrome (658565856).

The spelling of 223134534 in words is "two hundred twenty-three million, one hundred thirty-four thousand, five hundred thirty-four".