23230440554142 has 16 divisors (see below), whose sum is σ = 46461900556800. Its totient is φ = 7743310276632.

The previous prime is 23230440554071. The next prime is 23230440554143. The reversal of 23230440554142 is 24145504403232.

It is a self number, because there is not a number n which added to its sum of digits gives 23230440554142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230440554143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42180628 + ... + 42727815.

It is an arithmetic number, because the mean of its divisors is an integer number (2903868784800).

Almost surely, 2^{23230440554142} is an apocalyptic number.

23230440554142 is an abundant number, since it is smaller than the sum of its proper divisors (23231460002658).

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

23230440554142 is a wasteful number, since it uses less digits than its factorization.

23230440554142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84954047.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 23230440554142 its reverse (24145504403232), we get a palindrome (47375944957374).

The spelling of 23230440554142 in words is "twenty-three trillion, two hundred thirty billion, four hundred forty million, five hundred fifty-four thousand, one hundred forty-two".