1203023 has 4 divisors (see below), whose sum is σ = 1266360. Its totient is φ = 1139688.

The previous prime is 1203019. The next prime is 1203067. The reversal of 1203023 is 3203021.

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 1203023 - 2² = 1203019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202995 and 1203013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202023) 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, 31640 + ... + 31677.

It is an arithmetic number, because the mean of its divisors is an integer number (316590).

2^1203023 is an apocalyptic number.

1203023 is a deficient number, since it is larger than the sum of its proper divisors (63337).

1203023 is an equidigital number, since it uses as much as digits as its factorization.

1203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63336.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1203023 is about 1096.8240515233. The cubic root of 1203023 is about 106.3550158929.

Adding to 1203023 its reverse (3203021), we get a palindrome (4406044).

The spelling of 1203023 in words is "one million, two hundred three thousand, twenty-three".