23120329 has 2 divisors, whose sum is σ = 23120330. Its totient is φ = 23120328.

The previous prime is 23120311. The next prime is 23120333. The reversal of 23120329 is 92302132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 6734025 = 4048^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120329 - 2¹³ = 23112137 is a prime.

It is a super-2 number, since 2×23120329² = 1069099226136482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23120309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560164 + 11560165.

It is an arithmetic number, because the mean of its divisors is an integer number (11560165).

Almost surely, 2^23120329 is an apocalyptic number.

It is an amenable number.

23120329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120329 is an equidigital number, since it uses as much as digits as its factorization.

23120329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23120329 is about 4808.3603234367. The cubic root of 23120329 is about 284.8817771689.

The spelling of 23120329 in words is "twenty-three million, one hundred twenty thousand, three hundred twenty-nine".