321203221230023 has 32 divisors (see below), whose sum is σ = 369913975200000. Its totient is φ = 275833273605120.

The previous prime is 321203221229999. The next prime is 321203221230079. The reversal of 321203221230023 is 320032122302123.

It is not a de Polignac number, because 321203221230023 - 2¹⁴ = 321203221213639 is a prime.

It is a super-2 number, since 2×321203221230023² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321203221229974 and 321203221230001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321203221238023) 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, 4091877911 + ... + 4091956407.

It is an arithmetic number, because the mean of its divisors is an integer number (11559811725000).

Almost surely, 2^{321203221230023} is an apocalyptic number.

321203221230023 is a deficient number, since it is larger than the sum of its proper divisors (48710753969977).

321203221230023 is a wasteful number, since it uses less digits than its factorization.

321203221230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134975.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 321203221230023 its reverse (320032122302123), we get a palindrome (641235343532146).

The spelling of 321203221230023 in words is "three hundred twenty-one trillion, two hundred three billion, two hundred twenty-one million, two hundred thirty thousand, twenty-three".