23420142143777 has 4 divisors (see below), whose sum is σ = 23518134370560. Its totient is φ = 23322149916996.

The previous prime is 23420142143773. The next prime is 23420142143779. The reversal of 23420142143777 is 77734124102432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23420142143777 - 2² = 23420142143773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420142143773) 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 3 ways as a sum of consecutive naturals, for example, 48996113033 + ... + 48996113510.

It is an arithmetic number, because the mean of its divisors is an integer number (5879533592640).

Almost surely, 2^{23420142143777} is an apocalyptic number.

It is an amenable number.

23420142143777 is a deficient number, since it is larger than the sum of its proper divisors (97992226783).

23420142143777 is an equidigital number, since it uses as much as digits as its factorization.

23420142143777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97992226782.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 23420142143777 in words is "twenty-three trillion, four hundred twenty billion, one hundred forty-two million, one hundred forty-three thousand, seven hundred seventy-seven".