23145425445422 has 32 divisors (see below), whose sum is σ = 40251694694400. Its totient is φ = 9776116445760.

The previous prime is 23145425445421. The next prime is 23145425445437. The reversal of 23145425445422 is 22454452454132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145425445421) 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 15 ways as a sum of consecutive naturals, for example, 1662047 + ... + 7003802.

It is an arithmetic number, because the mean of its divisors is an integer number (1257865459200).

Almost surely, 2^{23145425445422} is an apocalyptic number.

23145425445422 is a deficient number, since it is larger than the sum of its proper divisors (17106269248978).

23145425445422 is a wasteful number, since it uses less digits than its factorization.

23145425445422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668616.

The product of its digits is 6144000, while the sum is 47.

Adding to 23145425445422 its reverse (22454452454132), we get a palindrome (45599877899554).

The spelling of 23145425445422 in words is "twenty-three trillion, one hundred forty-five billion, four hundred twenty-five million, four hundred forty-five thousand, four hundred twenty-two".