123354212055 has 8 divisors (see below), whose sum is σ = 197366739312. Its totient is φ = 65788913088.

The previous prime is 123354212011. The next prime is 123354212129. The reversal of 123354212055 is 550212453321.

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

It is not a de Polignac number, because 123354212055 - 2⁷ = 123354211927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4111807054 + ... + 4111807083.

It is an arithmetic number, because the mean of its divisors is an integer number (24670842414).

Almost surely, 2^123354212055 is an apocalyptic number.

123354212055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123354212055 is a deficient number, since it is larger than the sum of its proper divisors (74012527257).

123354212055 is an equidigital number, since it uses as much as digits as its factorization.

123354212055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223614145.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 123354212055 its reverse (550212453321), we get a palindrome (673566665376).

The spelling of 123354212055 in words is "one hundred twenty-three billion, three hundred fifty-four million, two hundred twelve thousand, fifty-five".