23140204444 has 24 divisors (see below), whose sum is σ = 46283683040. Its totient is φ = 9916528896.

The previous prime is 23140204441. The next prime is 23140204463. The reversal of 23140204444 is 44440204132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140204441) 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, 652744 + ... + 687280.

Almost surely, 2^23140204444 is an apocalyptic number.

It is an amenable number.

23140204444 is an abundant number, since it is smaller than the sum of its proper divisors (23143478596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23140204444 is a wasteful number, since it uses less digits than its factorization.

23140204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58477 (or 58475 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23140204444 its reverse (44440204132), we get a palindrome (67580408576).

The spelling of 23140204444 in words is "twenty-three billion, one hundred forty million, two hundred four thousand, four hundred forty-four".