123312200134 has 4 divisors (see below), whose sum is σ = 184968300204. Its totient is φ = 61656100066.

The previous prime is 123312200129. The next prime is 123312200159. The reversal of 123312200134 is 431002213321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431002213321 = 761 ⋅566362961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30828050032 + ... + 30828050035.

It is an arithmetic number, because the mean of its divisors is an integer number (46242075051).

Almost surely, 2^123312200134 is an apocalyptic number.

123312200134 is a deficient number, since it is larger than the sum of its proper divisors (61656100070).

123312200134 is an equidigital number, since it uses as much as digits as its factorization.

123312200134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61656100069.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123312200134 its reverse (431002213321), we get a palindrome (554314413455).

The spelling of 123312200134 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thousand, one hundred thirty-four".