23230440554147 has 4 divisors (see below), whose sum is σ = 23269222592400. Its totient is φ = 23191658515896.

The previous prime is 23230440554143. The next prime is 23230440554177. The reversal of 23230440554147 is 74145504403232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23230440554147 - 2² = 23230440554143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23230440554098 and 23230440554107.

It is not an unprimeable number, because it can be changed into a prime (23230440554143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19391018228 + ... + 19391019425.

It is an arithmetic number, because the mean of its divisors is an integer number (5817305648100).

Almost surely, 2^{23230440554147} is an apocalyptic number.

23230440554147 is a deficient number, since it is larger than the sum of its proper divisors (38782038253).

23230440554147 is an equidigital number, since it uses as much as digits as its factorization.

23230440554147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38782038252.

The product of its (nonzero) digits is 1612800, while the sum is 44.

Adding to 23230440554147 its reverse (74145504403232), we get a palindrome (97375944957379).

The spelling of 23230440554147 in words is "twenty-three trillion, two hundred thirty billion, four hundred forty million, five hundred fifty-four thousand, one hundred forty-seven".