103012123 has 4 divisors (see below), whose sum is σ = 103179160. Its totient is φ = 102845088.

The previous prime is 103012121. The next prime is 103012127. The reversal of 103012123 is 321210301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321210301 = 43 ⋅7470007.

It is a cyclic number.

It is not a de Polignac number, because 103012123 - 2¹ = 103012121 is a prime.

It is a super-2 number, since 2×103012123² = 21222994969934258, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103012121) 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, 82590 + ... + 83827.

It is an arithmetic number, because the mean of its divisors is an integer number (25794790).

Almost surely, 2^103012123 is an apocalyptic number.

103012123 is a deficient number, since it is larger than the sum of its proper divisors (167037).

103012123 is an equidigital number, since it uses as much as digits as its factorization.

103012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167036.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103012123 is about 10149.4888048611. The cubic root of 103012123 is about 468.7732047061.

Adding to 103012123 its reverse (321210301), we get a palindrome (424222424).

The spelling of 103012123 in words is "one hundred three million, twelve thousand, one hundred twenty-three".