1103211923 has 8 divisors (see below), whose sum is σ = 1274298480. Its totient is φ = 943924480.

The previous prime is 1103211917. The next prime is 1103211929. The reversal of 1103211923 is 3291123011.

It is an interprime number because it is at equal distance from previous prime (1103211917) and next prime (1103211929).

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

It is a cyclic number.

It is not a de Polignac number, because 1103211923 - 2¹² = 1103207827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103211929) 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, 2949578 + ... + 2949951.

It is an arithmetic number, because the mean of its divisors is an integer number (159287310).

Almost surely, 2^1103211923 is an apocalyptic number.

1103211923 is a deficient number, since it is larger than the sum of its proper divisors (171086557).

1103211923 is a wasteful number, since it uses less digits than its factorization.

1103211923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899557.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1103211923 is about 33214.6341692935. The cubic root of 1103211923 is about 1033.2838676865.

Adding to 1103211923 its reverse (3291123011), we get a palindrome (4394334934).

The spelling of 1103211923 in words is "one billion, one hundred three million, two hundred eleven thousand, nine hundred twenty-three".