1103213032123 has 16 divisors (see below), whose sum is σ = 1125635097600. Its totient is φ = 1080938004480.

The previous prime is 1103213032121. The next prime is 1103213032133. The reversal of 1103213032123 is 3212303123011.

It is a cyclic number.

It is not a de Polignac number, because 1103213032123 - 2¹ = 1103213032121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103213032094 and 1103213032103.

It is not an unprimeable number, because it can be changed into a prime (1103213032121) 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, 18871483 + ... + 18929851.

It is an arithmetic number, because the mean of its divisors is an integer number (70352193600).

Almost surely, 2^{1103213032123} is an apocalyptic number.

1103213032123 is a deficient number, since it is larger than the sum of its proper divisors (22422065477).

1103213032123 is an equidigital number, since it uses as much as digits as its factorization.

1103213032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59622.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103213032123 its reverse (3212303123011), we get a palindrome (4315516155134).

The spelling of 1103213032123 in words is "one trillion, one hundred three billion, two hundred thirteen million, thirty-two thousand, one hundred twenty-three".