2103501123 has 32 divisors (see below), whose sum is σ = 3176409600. Its totient is φ = 1375545888.

The previous prime is 2103501119. The next prime is 2103501139. The reversal of 2103501123 is 3211053012.

It is not a de Polignac number, because 2103501123 - 2² = 2103501119 is a prime.

It is a super-2 number, since 2×2103501123² = 8849433948924522258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103501096 and 2103501105.

It is not an unprimeable number, because it can be changed into a prime (2103501523) 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, 294033 + ... + 301101.

It is an arithmetic number, because the mean of its divisors is an integer number (99262800).

Almost surely, 2^2103501123 is an apocalyptic number.

2103501123 is a deficient number, since it is larger than the sum of its proper divisors (1072908477).

2103501123 is a wasteful number, since it uses less digits than its factorization.

2103501123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2103501123 is about 45863.9414246094. The cubic root of 2103501123 is about 1281.2904309970.

Adding to 2103501123 its reverse (3211053012), we get a palindrome (5314554135).

The spelling of 2103501123 in words is "two billion, one hundred three million, five hundred one thousand, one hundred twenty-three".