400202041223 has 4 divisors (see below), whose sum is σ = 414002111640. Its totient is φ = 386401970808.

The previous prime is 400202041133. The next prime is 400202041229. The reversal of 400202041223 is 322140202004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400202041223 - 2¹⁶ = 400201975687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400202041195 and 400202041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400202041229) 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, 6900035165 + ... + 6900035222.

It is an arithmetic number, because the mean of its divisors is an integer number (103500527910).

Almost surely, 2^400202041223 is an apocalyptic number.

400202041223 is a deficient number, since it is larger than the sum of its proper divisors (13800070417).

400202041223 is a wasteful number, since it uses less digits than its factorization.

400202041223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800070416.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 400202041223 its reverse (322140202004), we get a palindrome (722342243227).

The spelling of 400202041223 in words is "four hundred billion, two hundred two million, forty-one thousand, two hundred twenty-three".