20120323 has 2 divisors, whose sum is σ = 20120324. Its totient is φ = 20120322.

The previous prime is 20120281. The next prime is 20120363. The reversal of 20120323 is 32302102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20120323 - 2²¹ = 18023171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060161 + 10060162.

It is an arithmetic number, because the mean of its divisors is an integer number (10060162).

Almost surely, 2^20120323 is an apocalyptic number.

20120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120323 is an equidigital number, since it uses as much as digits as its factorization.

20120323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20120323 is about 4485.5683029021. The cubic root of 20120323 is about 271.9850184583.

Adding to 20120323 its reverse (32302102), we get a palindrome (52422425).

The spelling of 20120323 in words is "twenty million, one hundred twenty thousand, three hundred twenty-three".