4040400321123 has 32 divisors (see below), whose sum is σ = 5571297965376. Its totient is φ = 2602600040448.

The previous prime is 4040400321121. The next prime is 4040400321137. The reversal of 4040400321123 is 3211230040404.

4040400321123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4040400321123 - 2¹ = 4040400321121 is a prime.

It is a super-2 number, since 2×4040400321123² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4040400321093 and 4040400321102.

It is not an unprimeable number, because it can be changed into a prime (4040400321121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16334215 + ... + 16579727.

It is an arithmetic number, because the mean of its divisors is an integer number (174103061418).

Almost surely, 2^{4040400321123} is an apocalyptic number.

4040400321123 is a deficient number, since it is larger than the sum of its proper divisors (1530897644253).

4040400321123 is a wasteful number, since it uses less digits than its factorization.

4040400321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246583.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 4040400321123 its reverse (3211230040404), we get a palindrome (7251630361527).

The spelling of 4040400321123 in words is "four trillion, forty billion, four hundred million, three hundred twenty-one thousand, one hundred twenty-three".