103123210530 has 32 divisors (see below), whose sum is σ = 247634642304. Its totient is φ = 27484085376.

The previous prime is 103123210513. The next prime is 103123210559. The reversal of 103123210530 is 35012321301.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103123210497 and 103123210506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910459 + ... + 1017438.

It is an arithmetic number, because the mean of its divisors is an integer number (7738582572).

Almost surely, 2^103123210530 is an apocalyptic number.

103123210530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103123210530 is an abundant number, since it is smaller than the sum of its proper divisors (144511431774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103123210530 is a wasteful number, since it uses less digits than its factorization.

103123210530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929690.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 103123210530 its reverse (35012321301), we get a palindrome (138135531831).

The spelling of 103123210530 in words is "one hundred three billion, one hundred twenty-three million, two hundred ten thousand, five hundred thirty".