23142040123042 has 64 divisors (see below), whose sum is σ = 38331350741376. Its totient is φ = 10432559047680.

The previous prime is 23142040123031. The next prime is 23142040123051. The reversal of 23142040123042 is 24032104024132.

It is a self number, because there is not a number n which added to its sum of digits gives 23142040123042.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 167407192 + ... + 167545372.

It is an arithmetic number, because the mean of its divisors is an integer number (598927355334).

Almost surely, 2^{23142040123042} is an apocalyptic number.

23142040123042 is a deficient number, since it is larger than the sum of its proper divisors (15189310618334).

23142040123042 is a wasteful number, since it uses less digits than its factorization.

23142040123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140291.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23142040123042 its reverse (24032104024132), we get a palindrome (47174144147174).

The spelling of 23142040123042 in words is "twenty-three trillion, one hundred forty-two billion, forty million, one hundred twenty-three thousand, forty-two".