400044414000123 has 192 divisors, whose sum is σ = 619693365657600. Its totient is φ = 248319393638400.

The previous prime is 400044414000089. The next prime is 400044414000139. The reversal of 400044414000123 is 321000414440004.

It is not a de Polignac number, because 400044414000123 - 2¹⁰ = 400044413999099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400044414000223) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44120919036 + ... + 44120928102.

It is an arithmetic number, because the mean of its divisors is an integer number (3227569612800).

Almost surely, 2^{400044414000123} is an apocalyptic number.

400044414000123 is a deficient number, since it is larger than the sum of its proper divisors (219648951657477).

400044414000123 is a wasteful number, since it uses less digits than its factorization.

400044414000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 9575 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 400044414000123 its reverse (321000414440004), we get a palindrome (721044828440127).

The spelling of 400044414000123 in words is "four hundred trillion, forty-four billion, four hundred fourteen million, one hundred twenty-three", and thus it is an aban number.