223040143244 has 24 divisors (see below), whose sum is σ = 395712797760. Its totient is φ = 109979697024.

The previous prime is 223040143181. The next prime is 223040143253. The reversal of 223040143244 is 442341040322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802797 + ... + 2881275.

It is an arithmetic number, because the mean of its divisors is an integer number (16488033240).

Almost surely, 2^223040143244 is an apocalyptic number.

It is an amenable number.

223040143244 is a deficient number, since it is larger than the sum of its proper divisors (172672654516).

223040143244 is a wasteful number, since it uses less digits than its factorization.

223040143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88289 (or 88287 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 223040143244 its reverse (442341040322), we get a palindrome (665381183566).

The spelling of 223040143244 in words is "two hundred twenty-three billion, forty million, one hundred forty-three thousand, two hundred forty-four".