123454422345 has 8 divisors (see below), whose sum is σ = 197527075776. Its totient is φ = 65842358576.

The previous prime is 123454422341. The next prime is 123454422419. The reversal of 123454422345 is 543224454321.

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

It is a cyclic number.

It is not a de Polignac number, because 123454422345 - 2² = 123454422341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123454422341) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4115147397 + ... + 4115147426.

It is an arithmetic number, because the mean of its divisors is an integer number (24690884472).

Almost surely, 2^123454422345 is an apocalyptic number.

123454422345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123454422345 is a deficient number, since it is larger than the sum of its proper divisors (74072653431).

123454422345 is an equidigital number, since it uses as much as digits as its factorization.

123454422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230294831.

The product of its digits is 460800, while the sum is 39.

Adding to 123454422345 its reverse (543224454321), we get a palindrome (666678876666).

The spelling of 123454422345 in words is "one hundred twenty-three billion, four hundred fifty-four million, four hundred twenty-two thousand, three hundred forty-five".