1200103223 has 16 divisors (see below), whose sum is σ = 1372660992. Its totient is φ = 1038576000.

The previous prime is 1200103199. The next prime is 1200103277. The reversal of 1200103223 is 3223010021.

It is a happy number.

It is not a de Polignac number, because 1200103223 - 2²² = 1195908919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200103198 and 1200103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200105223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42143 + ... + 64623.

It is an arithmetic number, because the mean of its divisors is an integer number (85791312).

Almost surely, 2^1200103223 is an apocalyptic number.

1200103223 is a deficient number, since it is larger than the sum of its proper divisors (172557769).

1200103223 is a wasteful number, since it uses less digits than its factorization.

1200103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22726.

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

The square root of 1200103223 is about 34642.5060150099. The cubic root of 1200103223 is about 1062.6890379772.

Adding to 1200103223 its reverse (3223010021), we get a palindrome (4423113244).

The spelling of 1200103223 in words is "one billion, two hundred million, one hundred three thousand, two hundred twenty-three".