23287039 has 2 divisors, whose sum is σ = 23287040. Its totient is φ = 23287038.

The previous prime is 23287031. The next prime is 23287049. The reversal of 23287039 is 93078232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23287039 - 2³ = 23287031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23286995 and 23287013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23287031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11643519 + 11643520.

It is an arithmetic number, because the mean of its divisors is an integer number (11643520).

Almost surely, 2^23287039 is an apocalyptic number.

23287039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23287039 is an equidigital number, since it uses as much as digits as its factorization.

23287039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23287039 is about 4825.6646174387. The cubic root of 23287039 is about 285.5648549197.

The spelling of 23287039 in words is "twenty-three million, two hundred eighty-seven thousand, thirty-nine".