123103035 has 48 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 56171520.

The previous prime is 123103031. The next prime is 123103049. The reversal of 123103035 is 530301321.

It is not a de Polignac number, because 123103035 - 2² = 123103031 is a prime.

It is a super-2 number, since 2×123103035² = 30308714452422450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123102999 and 123103017.

It is not an unprimeable number, because it can be changed into a prime (123103031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1101 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 2^123103035 is an apocalyptic number.

123103035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123103035 is an abundant number, since it is smaller than the sum of its proper divisors (123383205).

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

123103035 is a wasteful number, since it uses less digits than its factorization.

123103035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668 (or 14665 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 123103035 is about 11095.1807105608. The cubic root of 123103035 is about 497.4578097771.

Adding to 123103035 its reverse (530301321), we get a palindrome (653404356).

The spelling of 123103035 in words is "one hundred twenty-three million, one hundred three thousand, thirty-five".