23315142042 has 24 divisors (see below), whose sum is σ = 50527216116. Its totient is φ = 7770010176.

The previous prime is 23315141947. The next prime is 23315142047. The reversal of 23315142042 is 24024151332.

23315142042 is a `hidden beast` number, since 233 + 1 + 5 + 1 + 420 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22913179641 + 401962401 = 151371^2 + 20049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23315141997 and 23315142015.

It is not an unprimeable number, because it can be changed into a prime (23315142047) 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 11 ways as a sum of consecutive naturals, for example, 56203 + ... + 223134.

Almost surely, 2^23315142042 is an apocalyptic number.

23315142042 is an abundant number, since it is smaller than the sum of its proper divisors (27212074074).

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

23315142042 is a wasteful number, since it uses less digits than its factorization.

23315142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283982 (or 283979 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23315142042 its reverse (24024151332), we get a palindrome (47339293374).

The spelling of 23315142042 in words is "twenty-three billion, three hundred fifteen million, one hundred forty-two thousand, forty-two".