23142435851 has 2 divisors, whose sum is σ = 23142435852. Its totient is φ = 23142435850.

The previous prime is 23142435817. The next prime is 23142435853. The reversal of 23142435851 is 15853424132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23142435851 - 2⁶ = 23142435787 is a prime.

Together with 23142435853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23142435853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571217925 + 11571217926.

It is an arithmetic number, because the mean of its divisors is an integer number (11571217926).

Almost surely, 2^23142435851 is an apocalyptic number.

23142435851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142435851 is an equidigital number, since it uses as much as digits as its factorization.

23142435851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

Adding to 23142435851 its reverse (15853424132), we get a palindrome (38995859983).

The spelling of 23142435851 in words is "twenty-three billion, one hundred forty-two million, four hundred thirty-five thousand, eight hundred fifty-one".