101103203123 has 16 divisors (see below), whose sum is σ = 115991796480. Its totient is φ = 87348888864.

The previous prime is 101103203093. The next prime is 101103203153. The reversal of 101103203123 is 321302301101.

It is an interprime number because it is at equal distance from previous prime (101103203093) and next prime (101103203153).

It is a cyclic number.

It is not a de Polignac number, because 101103203123 - 2¹⁰ = 101103202099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101103203153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2445311 + ... + 2486312.

It is an arithmetic number, because the mean of its divisors is an integer number (7249487280).

Almost surely, 2^101103203123 is an apocalyptic number.

101103203123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101103203123 is a deficient number, since it is larger than the sum of its proper divisors (14888593357).

101103203123 is a wasteful number, since it uses less digits than its factorization.

101103203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931738.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101103203123 its reverse (321302301101), we get a palindrome (422405504224).

The spelling of 101103203123 in words is "one hundred one billion, one hundred three million, two hundred three thousand, one hundred twenty-three".