103311203123 has 16 divisors (see below), whose sum is σ = 106491806784. Its totient is φ = 100151654400.

The previous prime is 103311203077. The next prime is 103311203129. The reversal of 103311203123 is 321302113301.

It is a cyclic number.

It is not a de Polignac number, because 103311203123 - 2⁶ = 103311203059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103311203095 and 103311203104.

It is not an unprimeable number, because it can be changed into a prime (103311203129) 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, 14492186 + ... + 14499312.

It is an arithmetic number, because the mean of its divisors is an integer number (6655737924).

Almost surely, 2^103311203123 is an apocalyptic number.

103311203123 is a deficient number, since it is larger than the sum of its proper divisors (3180603661).

103311203123 is an equidigital number, since it uses as much as digits as its factorization.

103311203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103311203123 its reverse (321302113301), we get a palindrome (424613316424).

The spelling of 103311203123 in words is "one hundred three billion, three hundred eleven million, two hundred three thousand, one hundred twenty-three".