223137121321156 has 96 divisors (see below), whose sum is σ = 459119325450240. Its totient is φ = 92925398966400.

The previous prime is 223137121321129. The next prime is 223137121321199. The reversal of 223137121321156 is 651123121731322.

It is a super-3 number, since 3×223137121321156³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40622910 + ... + 45787498.

It is an arithmetic number, because the mean of its divisors is an integer number (4782492973440).

Almost surely, 2^{223137121321156} is an apocalyptic number.

It is an amenable number.

223137121321156 is an abundant number, since it is smaller than the sum of its proper divisors (235982204129084).

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

223137121321156 is a wasteful number, since it uses less digits than its factorization.

223137121321156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164985 (or 5164983 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 223137121321156 in words is "two hundred twenty-three trillion, one hundred thirty-seven billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred fifty-six".