223137045257205 has 16 divisors (see below), whose sum is σ = 357028639240320. Its totient is φ = 119003301860928.

The previous prime is 223137045257177. The next prime is 223137045257209. The reversal of 223137045257205 is 502752540731322.

It is not a de Polignac number, because 223137045257205 - 2⁸ = 223137045256949 is a prime.

It is a super-3 number, since 3×223137045257205³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223137045257209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194551422 + ... + 195694991.

It is an arithmetic number, because the mean of its divisors is an integer number (22314289952520).

Almost surely, 2^{223137045257205} is an apocalyptic number.

It is an amenable number.

223137045257205 is a deficient number, since it is larger than the sum of its proper divisors (133891593983115).

223137045257205 is a wasteful number, since it uses less digits than its factorization.

223137045257205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390284540.

The product of its (nonzero) digits is 3528000, while the sum is 48.

Adding to 223137045257205 its reverse (502752540731322), we get a palindrome (725889585988527).

The spelling of 223137045257205 in words is "two hundred twenty-three trillion, one hundred thirty-seven billion, forty-five million, two hundred fifty-seven thousand, two hundred five".