210123032103 has 24 divisors (see below), whose sum is σ = 321455167488. Its totient is φ = 131804762112.

The previous prime is 210123032101. The next prime is 210123032111. The reversal of 210123032103 is 301230321012.

It is not a de Polignac number, because 210123032103 - 2¹ = 210123032101 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210123032101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356551 + ... + 739847.

It is an arithmetic number, because the mean of its divisors is an integer number (13393965312).

Almost surely, 2^210123032103 is an apocalyptic number.

210123032103 is a deficient number, since it is larger than the sum of its proper divisors (111332135385).

210123032103 is a wasteful number, since it uses less digits than its factorization.

210123032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386903 (or 386900 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 210123032103 its reverse (301230321012), we get a palindrome (511353353115).

The spelling of 210123032103 in words is "two hundred ten billion, one hundred twenty-three million, thirty-two thousand, one hundred three".