1200623 has 4 divisors (see below), whose sum is σ = 1252848. Its totient is φ = 1148400.

The previous prime is 1200611. The next prime is 1200637. The reversal of 1200623 is 3260021.

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 1200623 - 2⁴ = 1200607 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1200598 and 1200607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200643) 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, 26078 + ... + 26123.

It is an arithmetic number, because the mean of its divisors is an integer number (313212).

2^1200623 is an apocalyptic number.

1200623 is a deficient number, since it is larger than the sum of its proper divisors (52225).

1200623 is an equidigital number, since it uses as much as digits as its factorization.

1200623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52224.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1200623 is about 1095.7294374069. The cubic root of 1200623 is about 106.2842436336.

Adding to 1200623 its reverse (3260021), we get a palindrome (4460644).

The spelling of 1200623 in words is "one million, two hundred thousand, six hundred twenty-three".