23320040142344 has 64 divisors (see below), whose sum is σ = 48765397757760. Its totient is φ = 10365591075840.

The previous prime is 23320040142323. The next prime is 23320040142389. The reversal of 23320040142344 is 44324104002332.

It is a self number, because there is not a number n which added to its sum of digits gives 23320040142344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13627397 + ... + 15242900.

It is an arithmetic number, because the mean of its divisors is an integer number (761959339965).

Almost surely, 2^{23320040142344} is an apocalyptic number.

It is an amenable number.

23320040142344 is an abundant number, since it is smaller than the sum of its proper divisors (25445357615416).

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

23320040142344 is a wasteful number, since it uses less digits than its factorization.

23320040142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28870518 (or 28870514 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23320040142344 its reverse (44324104002332), we get a palindrome (67644144144676).

The spelling of 23320040142344 in words is "twenty-three trillion, three hundred twenty billion, forty million, one hundred forty-two thousand, three hundred forty-four".