223212310134 has 64 divisors (see below), whose sum is σ = 496628858880. Its totient is φ = 66314612000.

The previous prime is 223212310133. The next prime is 223212310141. The reversal of 223212310134 is 431013212322.

It is a super-3 number, since 3×223212310134³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212310133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705739 + ... + 971849.

It is an arithmetic number, because the mean of its divisors is an integer number (7759825920).

Almost surely, 2^223212310134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223212310134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248314429440).

223212310134 is an abundant number, since it is smaller than the sum of its proper divisors (273416548746).

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

223212310134 is a wasteful number, since it uses less digits than its factorization.

223212310134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266377.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 223212310134 its reverse (431013212322), we get a palindrome (654225522456).

The spelling of 223212310134 in words is "two hundred twenty-three billion, two hundred twelve million, three hundred ten thousand, one hundred thirty-four".