23142523427 has 2 divisors, whose sum is σ = 23142523428. Its totient is φ = 23142523426.

The previous prime is 23142523423. The next prime is 23142523457. The reversal of 23142523427 is 72432524132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23142523427 - 2² = 23142523423 is a prime.

It is not a weakly prime, because it can be changed into another prime (23142523423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571261713 + 11571261714.

It is an arithmetic number, because the mean of its divisors is an integer number (11571261714).

Almost surely, 2^23142523427 is an apocalyptic number.

23142523427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142523427 is an equidigital number, since it uses as much as digits as its factorization.

23142523427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The spelling of 23142523427 in words is "twenty-three billion, one hundred forty-two million, five hundred twenty-three thousand, four hundred twenty-seven".