123563474000 has 80 divisors (see below), whose sum is σ = 298856462736. Its totient is φ = 49412160000.

The previous prime is 123563473997. The next prime is 123563474039. The reversal of 123563474000 is 474365321.

It can be written as a sum of positive squares in 8 ways, for example, as 35477982736 + 88085491264 = 188356^2 + 296792^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11396582 + ... + 11407418.

Almost surely, 2^123563474000 is an apocalyptic number.

123563474000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123563474000 is an abundant number, since it is smaller than the sum of its proper divisors (175292988736).

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

123563474000 is a wasteful number, since it uses less digits than its factorization.

123563474000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561 (or 16545 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 123563474000 in words is "one hundred twenty-three billion, five hundred sixty-three million, four hundred seventy-four thousand".