123450420254 has 8 divisors (see below), whose sum is σ = 211629291888. Its totient is φ = 52907322960.

The previous prime is 123450420253. The next prime is 123450420287. The reversal of 123450420254 is 452024054321.

123450420254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123450420254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123450420253) 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 3 ways as a sum of consecutive naturals, for example, 4408943567 + ... + 4408943594.

It is an arithmetic number, because the mean of its divisors is an integer number (26453661486).

Almost surely, 2^123450420254 is an apocalyptic number.

123450420254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123450420254 is a deficient number, since it is larger than the sum of its proper divisors (88178871634).

123450420254 is an equidigital number, since it uses as much as digits as its factorization.

123450420254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817887170.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 123450420254 its reverse (452024054321), we get a palindrome (575474474575).

The spelling of 123450420254 in words is "one hundred twenty-three billion, four hundred fifty million, four hundred twenty thousand, two hundred fifty-four".