10400400223 has 2 divisors, whose sum is σ = 10400400224. Its totient is φ = 10400400222.

The previous prime is 10400400203. The next prime is 10400400247. The reversal of 10400400223 is 32200400401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10400400223 - 2¹⁷ = 10400269151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10400400197 and 10400400206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400400203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200200111 + 5200200112.

It is an arithmetic number, because the mean of its divisors is an integer number (5200200112).

Almost surely, 2^10400400223 is an apocalyptic number.

10400400223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400400223 is an equidigital number, since it uses as much as digits as its factorization.

10400400223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10400400223 its reverse (32200400401), we get a palindrome (42600800624).

The spelling of 10400400223 in words is "ten billion, four hundred million, four hundred thousand, two hundred twenty-three".