120400104423 has 8 divisors (see below), whose sum is σ = 161705250288. Its totient is φ = 79680847424.

The previous prime is 120400104397. The next prime is 120400104439. The reversal of 120400104423 is 324401004021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120400104423 - 2⁶ = 120400104359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120400104423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120400104493) 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, 146471736 + ... + 146472557.

It is an arithmetic number, because the mean of its divisors is an integer number (20213156286).

Almost surely, 2^120400104423 is an apocalyptic number.

120400104423 is a deficient number, since it is larger than the sum of its proper divisors (41305145865).

120400104423 is a wasteful number, since it uses less digits than its factorization.

120400104423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292944433.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120400104423 its reverse (324401004021), we get a palindrome (444801108444).

The spelling of 120400104423 in words is "one hundred twenty billion, four hundred million, one hundred four thousand, four hundred twenty-three".