23045647 has 2 divisors, whose sum is σ = 23045648. Its totient is φ = 23045646.

The previous prime is 23045639. The next prime is 23045663. The reversal of 23045647 is 74654032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23045647 - 2³ = 23045639 is a prime.

It is a super-2 number, since 2×23045647² = 1062203691297218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23048647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522823 + 11522824.

It is an arithmetic number, because the mean of its divisors is an integer number (11522824).

Almost surely, 2^23045647 is an apocalyptic number.

23045647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23045647 is an equidigital number, since it uses as much as digits as its factorization.

23045647 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 31.

The square root of 23045647 is about 4800.5881931280. The cubic root of 23045647 is about 284.5747098867.

Adding to 23045647 its reverse (74654032), we get a palindrome (97699679).

The spelling of 23045647 in words is "twenty-three million, forty-five thousand, six hundred forty-seven".