1223003541 has 16 divisors (see below), whose sum is σ = 1702382976. Its totient is φ = 779513856.

The previous prime is 1223003539. The next prime is 1223003543. The reversal of 1223003541 is 1453003221.

It is an interprime number because it is at equal distance from previous prime (1223003539) and next prime (1223003543).

It is not a de Polignac number, because 1223003541 - 2¹ = 1223003539 is a prime.

It is a super-2 number, since 2×1223003541² = 2991475322597077362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223003543) 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, 259381 + ... + 264053.

It is an arithmetic number, because the mean of its divisors is an integer number (106398936).

Almost surely, 2^1223003541 is an apocalyptic number.

It is an amenable number.

1223003541 is a deficient number, since it is larger than the sum of its proper divisors (479379435).

1223003541 is a wasteful number, since it uses less digits than its factorization.

1223003541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1223003541 is about 34971.4675271142. The cubic root of 1223003541 is about 1069.4058893598.

Adding to 1223003541 its reverse (1453003221), we get a palindrome (2676006762).

The spelling of 1223003541 in words is "one billion, two hundred twenty-three million, three thousand, five hundred forty-one".