23397828427 has 2 divisors, whose sum is σ = 23397828428. Its totient is φ = 23397828426.

The previous prime is 23397828403. The next prime is 23397828457. The reversal of 23397828427 is 72482879332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23397828427 is a prime.

It is not a weakly prime, because it can be changed into another prime (23397828457) 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 as a sum of consecutive naturals, namely, 11698914213 + 11698914214.

It is an arithmetic number, because the mean of its divisors is an integer number (11698914214).

Almost surely, 2^23397828427 is an apocalyptic number.

23397828427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23397828427 is an equidigital number, since it uses as much as digits as its factorization.

23397828427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 55.

The spelling of 23397828427 in words is "twenty-three billion, three hundred ninety-seven million, eight hundred twenty-eight thousand, four hundred twenty-seven".