123020232101321 has 4 divisors (see below), whose sum is σ = 123059076509952. Its totient is φ = 122981387692692.

The previous prime is 123020232101317. The next prime is 123020232101381. The reversal of 123020232101321 is 123101232020321.

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 a cyclic number.

It is not a de Polignac number, because 123020232101321 - 2² = 123020232101317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123020232101381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19422199565 + ... + 19422205898.

It is an arithmetic number, because the mean of its divisors is an integer number (30764769127488).

Almost surely, 2^{123020232101321} is an apocalyptic number.

It is an amenable number.

123020232101321 is a deficient number, since it is larger than the sum of its proper divisors (38844408631).

123020232101321 is an equidigital number, since it uses as much as digits as its factorization.

123020232101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38844408630.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123020232101321 its reverse (123101232020321), we get a palindrome (246121464121642).

The spelling of 123020232101321 in words is "one hundred twenty-three trillion, twenty billion, two hundred thirty-two million, one hundred one thousand, three hundred twenty-one".