Search a number
-
+
23870597 is a prime number
BaseRepresentation
bin101101100001…
…1110010000101
31122220202022012
41123003302011
522102324342
62211344005
7406616402
oct133036205
948822265
1023870597
1112524373
127bb2005
134c3a11a
1432552a9
152167b82
hex16c3c85

23870597 has 2 divisors, whose sum is σ = 23870598. Its totient is φ = 23870596.

The previous prime is 23870591. The next prime is 23870599. The reversal of 23870597 is 79507832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 1079521 = 4774^2 + 1039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23870597 is a prime.

It is a super-2 number, since 2×238705972 = 1139610802272818, which contains 22 as substring.

Together with 23870599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23870591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11935298 + 11935299.

It is an arithmetic number, because the mean of its divisors is an integer number (11935299).

Almost surely, 223870597 is an apocalyptic number.

It is an amenable number.

23870597 is a deficient number, since it is larger than the sum of its proper divisors (1).

23870597 is an equidigital number, since it uses as much as digits as its factorization.

23870597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 23870597 is about 4885.7544964928. The cubic root of 23870597 is about 287.9305589075.

The spelling of 23870597 in words is "twenty-three million, eight hundred seventy thousand, five hundred ninety-seven".