23040220671446 has 32 divisors (see below), whose sum is σ = 39688420867200. Its totient is φ = 9921147036480.

The previous prime is 23040220671443. The next prime is 23040220671487. The reversal of 23040220671446 is 64417602204032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040220671443) 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, 7404545 + ... + 10045283.

It is an arithmetic number, because the mean of its divisors is an integer number (1240263152100).

Almost surely, 2^{23040220671446} is an apocalyptic number.

23040220671446 is a deficient number, since it is larger than the sum of its proper divisors (16648200195754).

23040220671446 is a wasteful number, since it uses less digits than its factorization.

23040220671446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661644.

The product of its (nonzero) digits is 387072, while the sum is 41.

Adding to 23040220671446 its reverse (64417602204032), we get a palindrome (87457822875478).

The spelling of 23040220671446 in words is "twenty-three trillion, forty billion, two hundred twenty million, six hundred seventy-one thousand, four hundred forty-six".