23570344778147 has 2 divisors, whose sum is σ = 23570344778148. Its totient is φ = 23570344778146.

The previous prime is 23570344778131. The next prime is 23570344778161. The reversal of 23570344778147 is 74187744307532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23570344778147 - 2⁴ = 23570344778131 is a prime.

It is a super-2 number, since 2×23570344778147² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23570344778147.

It is not a weakly prime, because it can be changed into another prime (23570344778177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11785172389073 + 11785172389074.

It is an arithmetic number, because the mean of its divisors is an integer number (11785172389074).

Almost surely, 2^{23570344778147} is an apocalyptic number.

23570344778147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23570344778147 is an equidigital number, since it uses as much as digits as its factorization.

23570344778147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110638080, while the sum is 62.

The spelling of 23570344778147 in words is "twenty-three trillion, five hundred seventy billion, three hundred forty-four million, seven hundred seventy-eight thousand, one hundred forty-seven".