123422354775 has 144 divisors (see below), whose sum is σ = 236909836800. Its totient is φ = 63661852800.

The previous prime is 123422354753. The next prime is 123422354777. The reversal of 123422354775 is 577453224321.

123422354775 is a `hidden beast` number, since 1 + 2 + 34 + 2 + 2 + 3 + 547 + 75 = 666.

It is not a de Polignac number, because 123422354775 - 2⁸ = 123422354519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 123422354775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123422354777) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22857526 + ... + 22862924.

It is an arithmetic number, because the mean of its divisors is an integer number (1645207200).

Almost surely, 2^123422354775 is an apocalyptic number.

123422354775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123422354775 is a deficient number, since it is larger than the sum of its proper divisors (113487482025).

123422354775 is an equidigital number, since it uses as much as digits as its factorization.

123422354775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5531 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The spelling of 123422354775 in words is "one hundred twenty-three billion, four hundred twenty-two million, three hundred fifty-four thousand, seven hundred seventy-five".