402121203323 has 8 divisors (see below), whose sum is σ = 459571393248. Its totient is φ = 344672089344.

The previous prime is 402121203311. The next prime is 402121203329. The reversal of 402121203323 is 323302121204.

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 402121203323 - 2²⁶ = 402054094459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402121203329) 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, 832715 + ... + 1223787.

It is an arithmetic number, because the mean of its divisors is an integer number (57446424156).

Almost surely, 2^402121203323 is an apocalyptic number.

402121203323 is a deficient number, since it is larger than the sum of its proper divisors (57450189925).

402121203323 is a wasteful number, since it uses less digits than its factorization.

402121203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537973.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 402121203323 its reverse (323302121204), we get a palindrome (725423324527).

The spelling of 402121203323 in words is "four hundred two billion, one hundred twenty-one million, two hundred three thousand, three hundred twenty-three".