134102403123 has 32 divisors (see below), whose sum is σ = 203423942400. Its totient is φ = 77898796416.

The previous prime is 134102403077. The next prime is 134102403139. The reversal of 134102403123 is 321304201431.

It is a happy number.

It is not a de Polignac number, because 134102403123 - 2⁹ = 134102402611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134102403093 and 134102403102.

It is not an unprimeable number, because it can be changed into a prime (134102403023) 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, 121413 + ... + 531926.

It is an arithmetic number, because the mean of its divisors is an integer number (6356998200).

Almost surely, 2^134102403123 is an apocalyptic number.

134102403123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134102403123 is a deficient number, since it is larger than the sum of its proper divisors (69321539277).

134102403123 is a wasteful number, since it uses less digits than its factorization.

134102403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653651.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 134102403123 its reverse (321304201431), we get a palindrome (455406604554).

The spelling of 134102403123 in words is "one hundred thirty-four billion, one hundred two million, four hundred three thousand, one hundred twenty-three".