123310454352 has 80 divisors (see below), whose sum is σ = 329074890240. Its totient is φ = 39747686400.

The previous prime is 123310454291. The next prime is 123310454429. The reversal of 123310454352 is 253454013321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1994724 + ... + 2055612.

It is an arithmetic number, because the mean of its divisors is an integer number (4113436128).

Almost surely, 2^123310454352 is an apocalyptic number.

123310454352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123310454352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164537445120).

123310454352 is an abundant number, since it is smaller than the sum of its proper divisors (205764435888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123310454352 is a wasteful number, since it uses less digits than its factorization.

123310454352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62292 (or 62286 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 123310454352 its reverse (253454013321), we get a palindrome (376764467673).

The spelling of 123310454352 in words is "one hundred twenty-three billion, three hundred ten million, four hundred fifty-four thousand, three hundred fifty-two".