402211213423 has 16 divisors (see below), whose sum is σ = 417514478400. Its totient is φ = 387004988160.

The previous prime is 402211213399. The next prime is 402211213429. The reversal of 402211213423 is 324312112204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402211213423 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 (402211213429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16864315 + ... + 16888147.

It is an arithmetic number, because the mean of its divisors is an integer number (26094654900).

Almost surely, 2^402211213423 is an apocalyptic number.

402211213423 is a deficient number, since it is larger than the sum of its proper divisors (15303264977).

402211213423 is a wasteful number, since it uses less digits than its factorization.

402211213423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25842.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 402211213423 its reverse (324312112204), we get a palindrome (726523325627).

The spelling of 402211213423 in words is "four hundred two billion, two hundred eleven million, two hundred thirteen thousand, four hundred twenty-three".