23373409 has 2 divisors, whose sum is σ = 23373410. Its totient is φ = 23373408.

The previous prime is 23373397. The next prime is 23373421. The reversal of 23373409 is 90437332.

It is a balanced prime because it is at equal distance from previous prime (23373397) and next prime (23373421).

It can be written as a sum of positive squares in only one way, i.e., 14992384 + 8381025 = 3872^2 + 2895^2 .

It is a cyclic number.

It is not a de Polignac number, because 23373409 - 2⁵ = 23373377 is a prime.

It is not a weakly prime, because it can be changed into another prime (23373109) 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, 11686704 + 11686705.

It is an arithmetic number, because the mean of its divisors is an integer number (11686705).

Almost surely, 2^23373409 is an apocalyptic number.

It is an amenable number.

23373409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23373409 is an equidigital number, since it uses as much as digits as its factorization.

23373409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 23373409 is about 4834.6053613506. The cubic root of 23373409 is about 285.9174660374.

The spelling of 23373409 in words is "twenty-three million, three hundred seventy-three thousand, four hundred nine".