23023440142144 has 28 divisors (see below), whose sum is σ = 49201534344004. Its totient is φ = 10626203142144.

The previous prime is 23023440142111. The next prime is 23023440142147. The reversal of 23023440142144 is 44124104432032.

It can be written as a sum of positive squares in 2 ways, for example, as 14242411783744 + 8781028358400 = 3773912^2 + 2963280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023440142147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13836201177 + ... + 13836202840.

It is an arithmetic number, because the mean of its divisors is an integer number (1757197655143).

Almost surely, 2^{23023440142144} is an apocalyptic number.

It is an amenable number.

23023440142144 is an abundant number, since it is smaller than the sum of its proper divisors (26178094201860).

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

23023440142144 is a wasteful number, since it uses less digits than its factorization.

23023440142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27672404042 (or 27672404032 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 23023440142144 its reverse (44124104432032), we get a palindrome (67147544574176).

The spelling of 23023440142144 in words is "twenty-three trillion, twenty-three billion, four hundred forty million, one hundred forty-two thousand, one hundred forty-four".