223136136474373 has 4 divisors (see below), whose sum is σ = 223136277785568. Its totient is φ = 223135995163180.

The previous prime is 223136136474343. The next prime is 223136136474451. The reversal of 223136136474373 is 373474631631322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223136136474373 - 2⁵ = 223136136474341 is a prime.

It is a super-3 number, since 3×223136136474373³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223136136474343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68259961 + ... + 71454142.

It is an arithmetic number, because the mean of its divisors is an integer number (55784069446392).

Almost surely, 2^{223136136474373} is an apocalyptic number.

It is an amenable number.

223136136474373 is a deficient number, since it is larger than the sum of its proper divisors (141311195).

223136136474373 is a wasteful number, since it uses less digits than its factorization.

223136136474373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141311194.

The product of its digits is 27433728, while the sum is 55.

The spelling of 223136136474373 in words is "two hundred twenty-three trillion, one hundred thirty-six billion, one hundred thirty-six million, four hundred seventy-four thousand, three hundred seventy-three".