248732123 has 4 divisors (see below), whose sum is σ = 249340680. Its totient is φ = 248123568.

The previous prime is 248732119. The next prime is 248732129. The reversal of 248732123 is 321237842.

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 248732123 - 2² = 248732119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248732123.

It is not an unprimeable number, because it can be changed into a prime (248732129) 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, 303665 + ... + 304482.

It is an arithmetic number, because the mean of its divisors is an integer number (62335170).

Almost surely, 2^248732123 is an apocalyptic number.

248732123 is a deficient number, since it is larger than the sum of its proper divisors (608557).

248732123 is an equidigital number, since it uses as much as digits as its factorization.

248732123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608556.

The product of its digits is 16128, while the sum is 32.

The square root of 248732123 is about 15771.2435464043. The cubic root of 248732123 is about 628.8937696098.

Adding to 248732123 its reverse (321237842), we get a palindrome (569969965).

The spelling of 248732123 in words is "two hundred forty-eight million, seven hundred thirty-two thousand, one hundred twenty-three".