321420032210423 has 32 divisors (see below), whose sum is σ = 331970177710080. Its totient is φ = 310972075223040.

The previous prime is 321420032210287. The next prime is 321420032210447. The reversal of 321420032210423 is 324012230024123.

It is a cyclic number.

It is not a de Polignac number, because 321420032210423 - 2¹⁴ = 321420032194039 is a prime.

It is a super-2 number, since 2×321420032210423² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420052210423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20385609686 + ... + 20385625452.

It is an arithmetic number, because the mean of its divisors is an integer number (10374068053440).

Almost surely, 2^{321420032210423} is an apocalyptic number.

321420032210423 is a deficient number, since it is larger than the sum of its proper divisors (10550145499657).

321420032210423 is a wasteful number, since it uses less digits than its factorization.

321420032210423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 321420032210423 its reverse (324012230024123), we get a palindrome (645432262234546).

The spelling of 321420032210423 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-two million, two hundred ten thousand, four hundred twenty-three".