223233143145 has 32 divisors (see below), whose sum is σ = 360058241664. Its totient is φ = 118096742400.

The previous prime is 223233143129. The next prime is 223233143149. The reversal of 223233143145 is 541341332322.

It is not a de Polignac number, because 223233143145 - 2⁴ = 223233143129 is a prime.

It is a super-3 number, since 3×223233143145³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223233143149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4654809 + ... + 4702521.

It is an arithmetic number, because the mean of its divisors is an integer number (11251820052).

Almost surely, 2^223233143145 is an apocalyptic number.

It is an amenable number.

223233143145 is a deficient number, since it is larger than the sum of its proper divisors (136825098519).

223233143145 is a wasteful number, since it uses less digits than its factorization.

223233143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50233.

The product of its digits is 51840, while the sum is 33.

Adding to 223233143145 its reverse (541341332322), we get a palindrome (764574475467).

The spelling of 223233143145 in words is "two hundred twenty-three billion, two hundred thirty-three million, one hundred forty-three thousand, one hundred forty-five".