248551861323 has 4 divisors (see below), whose sum is σ = 331402481768. Its totient is φ = 165701240880.

The previous prime is 248551861321. The next prime is 248551861351. The reversal of 248551861323 is 323168155842.

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

It is not a de Polignac number, because 248551861323 - 2¹ = 248551861321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248551861321) 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, 41425310218 + ... + 41425310223.

It is an arithmetic number, because the mean of its divisors is an integer number (82850620442).

Almost surely, 2^248551861323 is an apocalyptic number.

248551861323 is a deficient number, since it is larger than the sum of its proper divisors (82850620445).

248551861323 is an equidigital number, since it uses as much as digits as its factorization.

248551861323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82850620444.

The product of its digits is 1382400, while the sum is 48.

The spelling of 248551861323 in words is "two hundred forty-eight billion, five hundred fifty-one million, eight hundred sixty-one thousand, three hundred twenty-three".