123421325134 has 8 divisors (see below), whose sum is σ = 185142720600. Its totient is φ = 61707084936.

The previous prime is 123421325107. The next prime is 123421325147. The reversal of 123421325134 is 431523124321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123421325096 and 123421325105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745484 + ... + 1814815.

It is an arithmetic number, because the mean of its divisors is an integer number (23142840075).

Almost surely, 2^123421325134 is an apocalyptic number.

123421325134 is a deficient number, since it is larger than the sum of its proper divisors (61721395466).

123421325134 is a wasteful number, since it uses less digits than its factorization.

123421325134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577634.

The product of its digits is 17280, while the sum is 31.

Adding to 123421325134 its reverse (431523124321), we get a palindrome (554944449455).

The spelling of 123421325134 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred twenty-five thousand, one hundred thirty-four".