1200023 has 8 divisors (see below), whose sum is σ = 1320960. Its totient is φ = 1081080.

The previous prime is 1200007. The next prime is 1200061. The reversal of 1200023 is 3200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200023 - 2⁴ = 1200007 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (165120).

2^1200023 is an apocalyptic number.

1200023 is a deficient number, since it is larger than the sum of its proper divisors (120937).

1200023 is a wasteful number, since it uses less digits than its factorization.

1200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1200023 is about 1095.4556129757. The cubic root of 1200023 is about 106.2665358347.

Adding to 1200023 its reverse (3200021), we get a palindrome (4400044).

The spelling of 1200023 in words is "one million, two hundred thousand, twenty-three".