223012505134 has 4 divisors (see below), whose sum is σ = 334518757704. Its totient is φ = 111506252566.

The previous prime is 223012505119. The next prime is 223012505141. The reversal of 223012505134 is 431505210322.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×223012505134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55753126282 + ... + 55753126285.

It is an arithmetic number, because the mean of its divisors is an integer number (83629689426).

Almost surely, 2^223012505134 is an apocalyptic number.

223012505134 is a deficient number, since it is larger than the sum of its proper divisors (111506252570).

223012505134 is a wasteful number, since it uses less digits than its factorization.

223012505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111506252569.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 223012505134 its reverse (431505210322), we get a palindrome (654517715456).

The spelling of 223012505134 in words is "two hundred twenty-three billion, twelve million, five hundred five thousand, one hundred thirty-four".