1148423 has 4 divisors (see below), whose sum is σ = 1163040. Its totient is φ = 1133808.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148423 is 3248411.

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

It is not a de Polignac number, because 1148423 - 2⁶ = 1148359 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 (1148453) 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, 7190 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (290760).

2^1148423 is an apocalyptic number.

1148423 is a deficient number, since it is larger than the sum of its proper divisors (14617).

1148423 is an equidigital number, since it uses as much as digits as its factorization.

1148423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616.

The product of its digits is 768, while the sum is 23.

The square root of 1148423 is about 1071.6449971889. The cubic root of 1148423 is about 104.7210433686.

The spelling of 1148423 in words is "one million, one hundred forty-eight thousand, four hundred twenty-three".