123400104041000 has 32 divisors (see below), whose sum is σ = 288756243458280. Its totient is φ = 49360041616000.

The previous prime is 123400104040907. The next prime is 123400104041003. The reversal of 123400104041000 is 140401004321.

It can be written as a sum of positive squares in 4 ways, for example, as 62393600677444 + 61006503363556 = 7898962^2 + 7810666^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (123400104041003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61700051021 + ... + 61700053020.

Almost surely, 2^{123400104041000} is an apocalyptic number.

123400104041000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123400104041000 is an abundant number, since it is smaller than the sum of its proper divisors (165356139417280).

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

123400104041000 is a wasteful number, since it uses less digits than its factorization.

123400104041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123400104062 (or 123400104048 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123400104041000 its reverse (140401004321), we get a palindrome (123540505045321).

The spelling of 123400104041000 in words is "one hundred twenty-three trillion, four hundred billion, one hundred four million, forty-one thousand".