223635031045 has 16 divisors (see below), whose sum is σ = 273466549440. Its totient is φ = 175517372800.

The previous prime is 223635031019. The next prime is 223635031049. The reversal of 223635031045 is 540130536322.

It is not a de Polignac number, because 223635031045 - 2⁵ = 223635031013 is a prime.

It is a super-2 number, since 2×223635031045² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223635031045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223635031049) 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, 627136 + ... + 916825.

It is an arithmetic number, because the mean of its divisors is an integer number (17091659340).

Almost surely, 2^223635031045 is an apocalyptic number.

It is an amenable number.

223635031045 is a deficient number, since it is larger than the sum of its proper divisors (49831518395).

223635031045 is a wasteful number, since it uses less digits than its factorization.

223635031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544516.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 223635031045 its reverse (540130536322), we get a palindrome (763765567367).

The spelling of 223635031045 in words is "two hundred twenty-three billion, six hundred thirty-five million, thirty-one thousand, forty-five".