123213435103 has 32 divisors (see below), whose sum is σ = 145990333440. Its totient is φ = 102787522560.

The previous prime is 123213435077. The next prime is 123213435131. The reversal of 123213435103 is 301534312321.

It is a cyclic number.

It is not a de Polignac number, because 123213435103 - 2¹⁷ = 123213304031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123213435173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888175 + ... + 1017487.

It is an arithmetic number, because the mean of its divisors is an integer number (4562197920).

Almost surely, 2^123213435103 is an apocalyptic number.

123213435103 is a deficient number, since it is larger than the sum of its proper divisors (22776898337).

123213435103 is a wasteful number, since it uses less digits than its factorization.

123213435103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129487.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123213435103 its reverse (301534312321), we get a palindrome (424747747424).

The spelling of 123213435103 in words is "one hundred twenty-three billion, two hundred thirteen million, four hundred thirty-five thousand, one hundred three".