1201423 has 4 divisors (see below), whose sum is σ = 1230768. Its totient is φ = 1172080.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201423 is 3241021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241021 = 7 ⋅463003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201423 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 (1201483) 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, 14611 + ... + 14692.

It is an arithmetic number, because the mean of its divisors is an integer number (307692).

2^1201423 is an apocalyptic number.

1201423 is a deficient number, since it is larger than the sum of its proper divisors (29345).

1201423 is an equidigital number, since it uses as much as digits as its factorization.

1201423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29344.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1201423 is about 1096.0944302386. The cubic root of 1201423 is about 106.3078448575.

Adding to 1201423 its reverse (3241021), we get a palindrome (4442444).

The spelling of 1201423 in words is "one million, two hundred one thousand, four hundred twenty-three".