23125220447 has 8 divisors (see below), whose sum is σ = 27073429152. Its totient is φ = 19338163200.

The previous prime is 23125220423. The next prime is 23125220453. The reversal of 23125220447 is 74402252132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23125220447 - 2⁸ = 23125220191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125220747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40287554 + ... + 40288127.

It is an arithmetic number, because the mean of its divisors is an integer number (3384178644).

Almost surely, 2^23125220447 is an apocalyptic number.

23125220447 is a deficient number, since it is larger than the sum of its proper divisors (3948208705).

23125220447 is an equidigital number, since it uses as much as digits as its factorization.

23125220447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80575729.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 23125220447 its reverse (74402252132), we get a palindrome (97527472579).

The spelling of 23125220447 in words is "twenty-three billion, one hundred twenty-five million, two hundred twenty thousand, four hundred forty-seven".