400440023412223 has 8 divisors (see below), whose sum is σ = 415435257972000. Its totient is φ = 385523919378528.

The previous prime is 400440023412193. The next prime is 400440023412269. The reversal of 400440023412223 is 322214320044004.

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

It is not a de Polignac number, because 400440023412223 - 2⁹ = 400440023411711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400440023412523) 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, 19782621211 + ... + 19782641452.

It is an arithmetic number, because the mean of its divisors is an integer number (51929407246500).

Almost surely, 2^{400440023412223} is an apocalyptic number.

400440023412223 is a deficient number, since it is larger than the sum of its proper divisors (14995234559777).

400440023412223 is a wasteful number, since it uses less digits than its factorization.

400440023412223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39565263041.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 400440023412223 its reverse (322214320044004), we get a palindrome (722654343456227).

The spelling of 400440023412223 in words is "four hundred trillion, four hundred forty billion, twenty-three million, four hundred twelve thousand, two hundred twenty-three".