23450387 has 2 divisors, whose sum is σ = 23450388. Its totient is φ = 23450386.

The previous prime is 23450347. The next prime is 23450417. The reversal of 23450387 is 78305432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23450387 - 2²⁰ = 22401811 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23450347) 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, 11725193 + 11725194.

It is an arithmetic number, because the mean of its divisors is an integer number (11725194).

Almost surely, 2^23450387 is an apocalyptic number.

23450387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23450387 is an equidigital number, since it uses as much as digits as its factorization.

23450387 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 23450387 is about 4842.5599634904. The cubic root of 23450387 is about 286.2310023433.

The spelling of 23450387 in words is "twenty-three million, four hundred fifty thousand, three hundred eighty-seven".