400211011443123 has 20 divisors (see below), whose sum is σ = 597846619653360. Its totient is φ = 266807099599632.

The previous prime is 400211011443121. The next prime is 400211011443127. The reversal of 400211011443123 is 321344110112004.

It is a happy number.

400211011443123 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 110 + 114 + 431 + 2 + 3 = 666.

It is not a de Polignac number, because 400211011443123 - 2¹ = 400211011443121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (400211011443121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 161031586 + ... + 163497992.

It is an arithmetic number, because the mean of its divisors is an integer number (29892330982668).

Almost surely, 2^{400211011443123} is an apocalyptic number.

400211011443123 is a deficient number, since it is larger than the sum of its proper divisors (197635608210237).

400211011443123 is a wasteful number, since it uses less digits than its factorization.

400211011443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469688 (or 4469679 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 400211011443123 its reverse (321344110112004), we get a palindrome (721555121555127).

The spelling of 400211011443123 in words is "four hundred trillion, two hundred eleven billion, eleven million, four hundred forty-three thousand, one hundred twenty-three".