1248122423 has 4 divisors (see below), whose sum is σ = 1248338520. Its totient is φ = 1247906328.

The previous prime is 1248122411. The next prime is 1248122437. The reversal of 1248122423 is 3242218421.

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 1248122423 - 2¹⁸ = 1247860279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248122023) 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, 99140 + ... + 111017.

It is an arithmetic number, because the mean of its divisors is an integer number (312084630).

Almost surely, 2^1248122423 is an apocalyptic number.

1248122423 is a deficient number, since it is larger than the sum of its proper divisors (216097).

1248122423 is an equidigital number, since it uses as much as digits as its factorization.

1248122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216096.

The product of its digits is 6144, while the sum is 29.

The square root of 1248122423 is about 35328.7761322127. The cubic root of 1248122423 is about 1076.6777258090.

The spelling of 1248122423 in words is "one billion, two hundred forty-eight million, one hundred twenty-two thousand, four hundred twenty-three".