23373709 has 2 divisors, whose sum is σ = 23373710. Its totient is φ = 23373708.

The previous prime is 23373703. The next prime is 23373719. The reversal of 23373709 is 90737332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19333609 + 4040100 = 4397^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 23373709 - 2²¹ = 21276557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23373703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11686854 + 11686855.

It is an arithmetic number, because the mean of its divisors is an integer number (11686855).

Almost surely, 2^23373709 is an apocalyptic number.

It is an amenable number.

23373709 is a deficient number, since it is larger than the sum of its proper divisors (1).

23373709 is an equidigital number, since it uses as much as digits as its factorization.

23373709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 23373709 is about 4834.6363875684. The cubic root of 23373709 is about 285.9186892918.

The spelling of 23373709 in words is "twenty-three million, three hundred seventy-three thousand, seven hundred nine".