400302552223 has 8 divisors (see below), whose sum is σ = 457496491680. Its totient is φ = 343110577920.

The previous prime is 400302552217. The next prime is 400302552229. The reversal of 400302552223 is 322255203004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400302552217) and next prime (400302552229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400302552223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400302552191 and 400302552200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400302552229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25318 + ... + 895123.

It is an arithmetic number, because the mean of its divisors is an integer number (57187061460).

Almost surely, 2^400302552223 is an apocalyptic number.

400302552223 is a deficient number, since it is larger than the sum of its proper divisors (57193939457).

400302552223 is an equidigital number, since it uses as much as digits as its factorization.

400302552223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982577.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 400302552223 its reverse (322255203004), we get a palindrome (722557755227).

The spelling of 400302552223 in words is "four hundred billion, three hundred two million, five hundred fifty-two thousand, two hundred twenty-three".