123451423334 has 4 divisors (see below), whose sum is σ = 185177135004. Its totient is φ = 61725711666.

The previous prime is 123451423321. The next prime is 123451423339. The reversal of 123451423334 is 433324154321.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123451423294 and 123451423303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123451423339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30862855832 + ... + 30862855835.

It is an arithmetic number, because the mean of its divisors is an integer number (46294283751).

Almost surely, 2^123451423334 is an apocalyptic number.

123451423334 is a deficient number, since it is larger than the sum of its proper divisors (61725711670).

123451423334 is an equidigital number, since it uses as much as digits as its factorization.

123451423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61725711669.

The product of its digits is 103680, while the sum is 35.

Adding to 123451423334 its reverse (433324154321), we get a palindrome (556775577655).

The spelling of 123451423334 in words is "one hundred twenty-three billion, four hundred fifty-one million, four hundred twenty-three thousand, three hundred thirty-four".