321021423023 has 8 divisors (see below), whose sum is σ = 388462898592. Its totient is φ = 258975265536.

The previous prime is 321021423013. The next prime is 321021423053. The reversal of 321021423023 is 320324120123.

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 321021423023 - 2⁶ = 321021422959 is a prime.

It is a super-3 number, since 3×321021423023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321021423023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321021423013) 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, 1348829390 + ... + 1348829627.

It is an arithmetic number, because the mean of its divisors is an integer number (48557862324).

Almost surely, 2^321021423023 is an apocalyptic number.

321021423023 is a deficient number, since it is larger than the sum of its proper divisors (67441475569).

321021423023 is a wasteful number, since it uses less digits than its factorization.

321021423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697659041.

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

Adding to 321021423023 its reverse (320324120123), we get a palindrome (641345543146).

The spelling of 321021423023 in words is "three hundred twenty-one billion, twenty-one million, four hundred twenty-three thousand, twenty-three".