23402420544550 has 96 divisors (see below), whose sum is σ = 47035089561600. Its totient is φ = 8636081276160.

The previous prime is 23402420544539. The next prime is 23402420544557. The reversal of 23402420544550 is 5544502420432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402420544557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3342867 + ... + 7614433.

It is an arithmetic number, because the mean of its divisors is an integer number (489948849600).

Almost surely, 2^{23402420544550} is an apocalyptic number.

23402420544550 is an abundant number, since it is smaller than the sum of its proper divisors (23632669017050).

23402420544550 is a wasteful number, since it uses less digits than its factorization.

23402420544550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271750 (or 4271745 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 23402420544550 its reverse (5544502420432), we get a palindrome (28946922964982).

The spelling of 23402420544550 in words is "twenty-three trillion, four hundred two billion, four hundred twenty million, five hundred forty-four thousand, five hundred fifty".