223123121331134 has 4 divisors (see below), whose sum is σ = 334684681996704. Its totient is φ = 111561560665566.

The previous prime is 223123121331133. The next prime is 223123121331161. The reversal of 223123121331134 is 431133121321322.

It is a happy number.

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

It is a super-3 number, since 3×223123121331134³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223123121331134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123121331133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55780780332782 + ... + 55780780332785.

It is an arithmetic number, because the mean of its divisors is an integer number (83671170499176).

Almost surely, 2^{223123121331134} is an apocalyptic number.

223123121331134 is a deficient number, since it is larger than the sum of its proper divisors (111561560665570).

223123121331134 is a wasteful number, since it uses less digits than its factorization.

223123121331134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111561560665569.

The product of its digits is 15552, while the sum is 32.

Adding to 223123121331134 its reverse (431133121321322), we get a palindrome (654256242652456).

The spelling of 223123121331134 in words is "two hundred twenty-three trillion, one hundred twenty-three billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred thirty-four".