23240430354544 has 120 divisors (see below), whose sum is σ = 52711887168240. Its totient is φ = 9887163346944.

The previous prime is 23240430354521. The next prime is 23240430354569. The reversal of 23240430354544 is 44545303404232.

It is a self number, because there is not a number n which added to its sum of digits gives 23240430354544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4212057 + ... + 8013880.

It is an arithmetic number, because the mean of its divisors is an integer number (439265726402).

Almost surely, 2^{23240430354544} is an apocalyptic number.

It is an amenable number.

23240430354544 is an abundant number, since it is smaller than the sum of its proper divisors (29471456813696).

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

23240430354544 is a wasteful number, since it uses less digits than its factorization.

23240430354544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226027 (or 12226008 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 43.

Adding to 23240430354544 its reverse (44545303404232), we get a palindrome (67785733758776).

The spelling of 23240430354544 in words is "twenty-three trillion, two hundred forty billion, four hundred thirty million, three hundred fifty-four thousand, five hundred forty-four".