120021323 has 2 divisors, whose sum is σ = 120021324. Its totient is φ = 120021322.

The previous prime is 120021289. The next prime is 120021359. The reversal of 120021323 is 323120021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021323 - 2⁸ = 120021067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021298 and 120021307.

It is not a weakly prime, because it can be changed into another prime (120021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010661 + 60010662.

It is an arithmetic number, because the mean of its divisors is an integer number (60010662).

Almost surely, 2^120021323 is an apocalyptic number.

120021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021323 is an equidigital number, since it uses as much as digits as its factorization.

120021323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120021323 is about 10955.4243642134. The cubic root of 120021323 is about 493.2716281581.

Adding to 120021323 its reverse (323120021), we get a palindrome (443141344).

It can be divided in two parts, 120021 and 323, that multiplied together give a palindrome (38766783).

The spelling of 120021323 in words is "one hundred twenty million, twenty-one thousand, three hundred twenty-three".