400140041033123 has 16 divisors (see below), whose sum is σ = 414084567924480. Its totient is φ = 386260344576000.

The previous prime is 400140041033119. The next prime is 400140041033137. The reversal of 400140041033123 is 321330140041004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400140041033123 - 2² = 400140041033119 is a prime.

It is a super-2 number, since 2×400140041033123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400140041033092 and 400140041033101.

It is not an unprimeable number, because it can be changed into a prime (400140041033113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883480961 + ... + 883933757.

It is an arithmetic number, because the mean of its divisors is an integer number (25880285495280).

Almost surely, 2^{400140041033123} is an apocalyptic number.

400140041033123 is a deficient number, since it is larger than the sum of its proper divisors (13944526891357).

400140041033123 is a wasteful number, since it uses less digits than its factorization.

400140041033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524318.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 400140041033123 its reverse (321330140041004), we get a palindrome (721470181074127).

The spelling of 400140041033123 in words is "four hundred trillion, one hundred forty billion, forty-one million, thirty-three thousand, one hundred twenty-three".