400403212144233 has 4 divisors (see below), whose sum is σ = 533870949525648. Its totient is φ = 266935474762820.

The previous prime is 400403212144211. The next prime is 400403212144291. The reversal of 400403212144233 is 332441212304004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400403212144233 - 2⁴⁵ = 365218840055401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400403212144194 and 400403212144203.

It is not an unprimeable number, because it can be changed into a prime (400403212144433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66733868690703 + ... + 66733868690708.

It is an arithmetic number, because the mean of its divisors is an integer number (133467737381412).

Almost surely, 2^{400403212144233} is an apocalyptic number.

It is an amenable number.

400403212144233 is a deficient number, since it is larger than the sum of its proper divisors (133467737381415).

400403212144233 is a wasteful number, since it uses less digits than its factorization.

400403212144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133467737381414.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 400403212144233 its reverse (332441212304004), we get a palindrome (732844424448237).

The spelling of 400403212144233 in words is "four hundred trillion, four hundred three billion, two hundred twelve million, one hundred forty-four thousand, two hundred thirty-three".