23970261787 has 2 divisors, whose sum is σ = 23970261788. Its totient is φ = 23970261786.

The previous prime is 23970261769. The next prime is 23970261811. The reversal of 23970261787 is 78716207932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23970261787 - 2¹¹ = 23970259739 is a prime.

It is not a weakly prime, because it can be changed into another prime (23970261727) 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, 11985130893 + 11985130894.

It is an arithmetic number, because the mean of its divisors is an integer number (11985130894).

Almost surely, 2^23970261787 is an apocalyptic number.

23970261787 is a deficient number, since it is larger than the sum of its proper divisors (1).

23970261787 is an equidigital number, since it uses as much as digits as its factorization.

23970261787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 23970261787 in words is "twenty-three billion, nine hundred seventy million, two hundred sixty-one thousand, seven hundred eighty-seven".