103012003123 has 4 divisors (see below), whose sum is σ = 104031924048. Its totient is φ = 101992082200.

The previous prime is 103012003099. The next prime is 103012003151. The reversal of 103012003123 is 321300210301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103012003123 - 2⁵ = 103012003091 is a prime.

It is a super-2 number, since 2×103012003123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103012003097 and 103012003106.

It is not an unprimeable number, because it can be changed into a prime (103012003223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509960311 + ... + 509960512.

It is an arithmetic number, because the mean of its divisors is an integer number (26007981012).

Almost surely, 2^103012003123 is an apocalyptic number.

103012003123 is a deficient number, since it is larger than the sum of its proper divisors (1019920925).

103012003123 is a wasteful number, since it uses less digits than its factorization.

103012003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019920924.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103012003123 its reverse (321300210301), we get a palindrome (424312213424).

The spelling of 103012003123 in words is "one hundred three billion, twelve million, three thousand, one hundred twenty-three".