23340587 has 2 divisors, whose sum is σ = 23340588. Its totient is φ = 23340586.

The previous prime is 23340547. The next prime is 23340593. The reversal of 23340587 is 78504332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23340587 - 2¹² = 23336491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23340547) 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, 11670293 + 11670294.

It is an arithmetic number, because the mean of its divisors is an integer number (11670294).

Almost surely, 2^23340587 is an apocalyptic number.

23340587 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340587 is an equidigital number, since it uses as much as digits as its factorization.

23340587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 23340587 is about 4831.2096828848. The cubic root of 23340587 is about 285.7835705901.

The spelling of 23340587 in words is "twenty-three million, three hundred forty thousand, five hundred eighty-seven".