402471311223 has 8 divisors (see below), whose sum is σ = 536944643568. Its totient is φ = 268156093184.

The previous prime is 402471311219. The next prime is 402471311257. The reversal of 402471311223 is 322113174204.

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

It is a cyclic number.

It is not a de Polignac number, because 402471311223 - 2² = 402471311219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402471311293) 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, 39522636 + ... + 39532817.

It is an arithmetic number, because the mean of its divisors is an integer number (67118080446).

Almost surely, 2^402471311223 is an apocalyptic number.

402471311223 is a deficient number, since it is larger than the sum of its proper divisors (134473332345).

402471311223 is a wasteful number, since it uses less digits than its factorization.

402471311223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79057153.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 402471311223 its reverse (322113174204), we get a palindrome (724584485427).

The spelling of 402471311223 in words is "four hundred two billion, four hundred seventy-one million, three hundred eleven thousand, two hundred twenty-three".