23538485147 has 2 divisors, whose sum is σ = 23538485148. Its totient is φ = 23538485146.

The previous prime is 23538485081. The next prime is 23538485161. The reversal of 23538485147 is 74158483532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23538485147 - 2¹² = 23538481051 is a prime.

It is a super-2 number, since 2×23538485147² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23538485095 and 23538485104.

It is not a weakly prime, because it can be changed into another prime (23538485647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769242573 + 11769242574.

It is an arithmetic number, because the mean of its divisors is an integer number (11769242574).

Almost surely, 2^23538485147 is an apocalyptic number.

23538485147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23538485147 is an equidigital number, since it uses as much as digits as its factorization.

23538485147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 50.

The spelling of 23538485147 in words is "twenty-three billion, five hundred thirty-eight million, four hundred eighty-five thousand, one hundred forty-seven".