23140283 has 2 divisors, whose sum is σ = 23140284. Its totient is φ = 23140282.

The previous prime is 23140279. The next prime is 23140319. The reversal of 23140283 is 38204132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23140283 - 2² = 23140279 is a prime.

It is equal to p_1456511 and since 23140283 and 1456511 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23140883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570141 + 11570142.

It is an arithmetic number, because the mean of its divisors is an integer number (11570142).

Almost surely, 2^23140283 is an apocalyptic number.

23140283 is a deficient number, since it is larger than the sum of its proper divisors (1).

23140283 is an equidigital number, since it uses as much as digits as its factorization.

23140283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23140283 is about 4810.4348036326. The cubic root of 23140283 is about 284.9637093424.

The spelling of 23140283 in words is "twenty-three million, one hundred forty thousand, two hundred eighty-three".