23401440443330 has 8 divisors (see below), whose sum is σ = 42122592798012. Its totient is φ = 9360576177328.

The previous prime is 23401440443317. The next prime is 23401440443351. The reversal of 23401440443330 is 3334404410432.

It can be written as a sum of positive squares in 2 ways, for example, as 19266753350881 + 4134687092449 = 4389391^2 + 2033393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170072022157 + ... + 1170072022176.

Almost surely, 2^{23401440443330} is an apocalyptic number.

23401440443330 is a deficient number, since it is larger than the sum of its proper divisors (18721152354682).

23401440443330 is a wasteful number, since it uses less digits than its factorization.

23401440443330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340144044340.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 23401440443330 its reverse (3334404410432), we get a palindrome (26735844853762).

The spelling of 23401440443330 in words is "twenty-three trillion, four hundred one billion, four hundred forty million, four hundred forty-three thousand, three hundred thirty".