123454422255 has 16 divisors (see below), whose sum is σ = 199082409984. Its totient is φ = 65323913760.

The previous prime is 123454422253. The next prime is 123454422257. The reversal of 123454422255 is 552224454321.

It is an interprime number because it is at equal distance from previous prime (123454422253) and next prime (123454422257).

It is not a de Polignac number, because 123454422255 - 2¹ = 123454422253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123454422253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32400831 + ... + 32404640.

It is an arithmetic number, because the mean of its divisors is an integer number (12442650624).

Almost surely, 2^123454422255 is an apocalyptic number.

123454422255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123454422255 is a deficient number, since it is larger than the sum of its proper divisors (75627987729).

123454422255 is a wasteful number, since it uses less digits than its factorization.

123454422255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64805606.

The product of its digits is 384000, while the sum is 39.

Adding to 123454422255 its reverse (552224454321), we get a palindrome (675678876576).

The spelling of 123454422255 in words is "one hundred twenty-three billion, four hundred fifty-four million, four hundred twenty-two thousand, two hundred fifty-five".