1103103123 has 32 divisors (see below), whose sum is σ = 1598040576. Its totient is φ = 674139648.

The previous prime is 1103103107. The next prime is 1103103137. The reversal of 1103103123 is 3213013011.

It is not a de Polignac number, because 1103103123 - 2⁴ = 1103103107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103103193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484290 + ... + 1485032.

It is an arithmetic number, because the mean of its divisors is an integer number (49938768).

Almost surely, 2^1103103123 is an apocalyptic number.

1103103123 is a deficient number, since it is larger than the sum of its proper divisors (494937453).

1103103123 is a wasteful number, since it uses less digits than its factorization.

1103103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103103123 is about 33212.9962966306. The cubic root of 1103103123 is about 1033.2498986976.

Adding to 1103103123 its reverse (3213013011), we get a palindrome (4316116134).

The spelling of 1103103123 in words is "one billion, one hundred three million, one hundred three thousand, one hundred twenty-three".