321123012023001 has 4 divisors (see below), whose sum is σ = 428164016030672. Its totient is φ = 214082008015332.

The previous prime is 321123012022991. The next prime is 321123012023017. The reversal of 321123012023001 is 100320210321123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 321123012023001 - 2¹³ = 321123012014809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321123012033001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53520502003831 + ... + 53520502003836.

It is an arithmetic number, because the mean of its divisors is an integer number (107041004007668).

Almost surely, 2^{321123012023001} is an apocalyptic number.

It is an amenable number.

321123012023001 is a deficient number, since it is larger than the sum of its proper divisors (107041004007671).

321123012023001 is a wasteful number, since it uses less digits than its factorization.

321123012023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107041004007670.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321123012023001 its reverse (100320210321123), we get a palindrome (421443222344124).

The spelling of 321123012023001 in words is "three hundred twenty-one trillion, one hundred twenty-three billion, twelve million, twenty-three thousand, one".