23148528447 has 8 divisors (see below), whose sum is σ = 33670586880. Its totient is φ = 14029411160.

The previous prime is 23148528391. The next prime is 23148528449. The reversal of 23148528447 is 74482584132.

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 23148528447 - 2⁶ = 23148528383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23148528396 and 23148528405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23148528449) 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, 350735247 + ... + 350735312.

It is an arithmetic number, because the mean of its divisors is an integer number (4208823360).

Almost surely, 2^23148528447 is an apocalyptic number.

23148528447 is a deficient number, since it is larger than the sum of its proper divisors (10522058433).

23148528447 is a wasteful number, since it uses less digits than its factorization.

23148528447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701470573.

The product of its digits is 1720320, while the sum is 48.

The spelling of 23148528447 in words is "twenty-three billion, one hundred forty-eight million, five hundred twenty-eight thousand, four hundred forty-seven".