123352340505 has 8 divisors (see below), whose sum is σ = 197363744832. Its totient is φ = 65787914928.

The previous prime is 123352340479. The next prime is 123352340509. The reversal of 123352340505 is 505043253321.

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

It is not a de Polignac number, because 123352340505 - 2⁵ = 123352340473 is a prime.

It is a super-2 number, since 2×123352340505² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123352340509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4111744669 + ... + 4111744698.

It is an arithmetic number, because the mean of its divisors is an integer number (24670468104).

Almost surely, 2^123352340505 is an apocalyptic number.

123352340505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123352340505 is a deficient number, since it is larger than the sum of its proper divisors (74011404327).

123352340505 is an equidigital number, since it uses as much as digits as its factorization.

123352340505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223489375.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 123352340505 its reverse (505043253321), we get a palindrome (628395593826).

The spelling of 123352340505 in words is "one hundred twenty-three billion, three hundred fifty-two million, three hundred forty thousand, five hundred five".