223135531323 has 8 divisors (see below), whose sum is σ = 299009088000. Its totient is φ = 148009497768.

The previous prime is 223135531321. The next prime is 223135531349. The reversal of 223135531323 is 323135531322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223135531323 - 2¹ = 223135531321 is a prime.

It is a super-3 number, since 3×223135531323³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223135531321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186880083 + ... + 186881276.

It is an arithmetic number, because the mean of its divisors is an integer number (37376136000).

Almost surely, 2^223135531323 is an apocalyptic number.

223135531323 is a deficient number, since it is larger than the sum of its proper divisors (75873556677).

223135531323 is a wasteful number, since it uses less digits than its factorization.

223135531323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373761561.

The product of its digits is 48600, while the sum is 33.

Subtracting 223135531323 from its reverse (323135531322), we obtain a palindrome (99999999999).

The spelling of 223135531323 in words is "two hundred twenty-three billion, one hundred thirty-five million, five hundred thirty-one thousand, three hundred twenty-three".