103123203434 has 4 divisors (see below), whose sum is σ = 154684805154. Its totient is φ = 51561601716.

The previous prime is 103123203383. The next prime is 103123203439. The reversal of 103123203434 is 434302321301.

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

It can be written as a sum of positive squares in only one way, i.e., 63153197809 + 39970005625 = 251303^2 + 199925^2 .

It is not an unprimeable number, because it can be changed into a prime (103123203439) 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 as a sum of consecutive naturals, namely, 25780800857 + ... + 25780800860.

Almost surely, 2^103123203434 is an apocalyptic number.

103123203434 is a deficient number, since it is larger than the sum of its proper divisors (51561601720).

103123203434 is an equidigital number, since it uses as much as digits as its factorization.

103123203434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51561601719.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 103123203434 its reverse (434302321301), we get a palindrome (537425524735).

The spelling of 103123203434 in words is "one hundred three billion, one hundred twenty-three million, two hundred three thousand, four hundred thirty-four".