Search a number
-
+
23972959 is a prime number
BaseRepresentation
bin101101101110…
…0110001011111
31200002221201101
41123130301133
522114113314
62213453531
7410524003
oct133346137
950087641
1023972959
111259426a
1280412a7
134c748aa
143280703
152188174
hex16dcc5f

23972959 has 2 divisors, whose sum is σ = 23972960. Its totient is φ = 23972958.

The previous prime is 23972957. The next prime is 23972989. The reversal of 23972959 is 95927932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23972959 - 21 = 23972957 is a prime.

Together with 23972957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23972957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11986479 + 11986480.

It is an arithmetic number, because the mean of its divisors is an integer number (11986480).

Almost surely, 223972959 is an apocalyptic number.

23972959 is a deficient number, since it is larger than the sum of its proper divisors (1).

23972959 is an equidigital number, since it uses as much as digits as its factorization.

23972959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 23972959 is about 4896.2188472330. The cubic root of 23972959 is about 288.3415403755.

It can be divided in two parts, 2397 and 2959, that added together give a triangular number (5356 = T103).

The spelling of 23972959 in words is "twenty-three million, nine hundred seventy-two thousand, nine hundred fifty-nine".