123278300496 has 120 divisors (see below), whose sum is σ = 373827455456. Its totient is φ = 37698981120.

The previous prime is 123278300477. The next prime is 123278300521. The reversal of 123278300496 is 694003872321.

123278300496 is a `hidden beast` number, since 1 + 232 + 78 + 300 + 49 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103131 + ... + 507141.

Almost surely, 2^123278300496 is an apocalyptic number.

123278300496 is a gapful number since it is divisible by the number (16) 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 123278300496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186913727728).

123278300496 is an abundant number, since it is smaller than the sum of its proper divisors (250549154960).

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

123278300496 is a wasteful number, since it uses less digits than its factorization.

123278300496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404201 (or 404192 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 123278300496 in words is "one hundred twenty-three billion, two hundred seventy-eight million, three hundred thousand, four hundred ninety-six".