123295847400 has 1152 divisors, whose sum is σ = 492204211200. Its totient is φ = 27371520000.

The previous prime is 123295847383. The next prime is 123295847459. The reversal of 123295847400 is 4748592321.

123295847400 is a `hidden beast` number, since 1 + 2 + 3 + 29 + 584 + 7 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 287 ways as a sum of consecutive naturals, for example, 1385346556 + ... + 1385346644.

It is an arithmetic number, because the mean of its divisors is an integer number (427260600).

Almost surely, 2^123295847400 is an apocalyptic number.

123295847400 is a gapful number since it is divisible by the number (10) 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 123295847400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246102105600).

123295847400 is an abundant number, since it is smaller than the sum of its proper divisors (368908363800).

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

123295847400 is a wasteful number, since it uses less digits than its factorization.

123295847400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 123295847400 in words is "one hundred twenty-three billion, two hundred ninety-five million, eight hundred forty-seven thousand, four hundred".