223121342044 has 12 divisors (see below), whose sum is σ = 390499401600. Its totient is φ = 111550084448.

The previous prime is 223121342021. The next prime is 223121342069. The reversal of 223121342044 is 440243121322.

It is a super-3 number, since 3×223121342044³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599129 + ... + 2683600.

It is an arithmetic number, because the mean of its divisors is an integer number (32541616800).

Almost surely, 2^223121342044 is an apocalyptic number.

It is an amenable number.

223121342044 is a deficient number, since it is larger than the sum of its proper divisors (167378059556).

223121342044 is a wasteful number, since it uses less digits than its factorization.

223121342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293292 (or 5293290 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 223121342044 its reverse (440243121322), we get a palindrome (663364463366).

The spelling of 223121342044 in words is "two hundred twenty-three billion, one hundred twenty-one million, three hundred forty-two thousand, forty-four".