23148529 has 4 divisors (see below), whose sum is σ = 23373376. Its totient is φ = 22923684.

The previous prime is 23148523. The next prime is 23148533. The reversal of 23148529 is 92584132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23148529 - 2⁷ = 23148401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23148494 and 23148503.

It is not an unprimeable number, because it can be changed into a prime (23148523) 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, 112269 + ... + 112474.

It is an arithmetic number, because the mean of its divisors is an integer number (5843344).

Almost surely, 2^23148529 is an apocalyptic number.

It is an amenable number.

23148529 is a deficient number, since it is larger than the sum of its proper divisors (224847).

23148529 is a wasteful number, since it uses less digits than its factorization.

23148529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224846.

The product of its digits is 17280, while the sum is 34.

The square root of 23148529 is about 4811.2918223695. The cubic root of 23148529 is about 284.9975540982.

The spelling of 23148529 in words is "twenty-three million, one hundred forty-eight thousand, five hundred twenty-nine".