Search a number
-
+
23705057 is a prime number
BaseRepresentation
bin101101001101…
…1010111100001
31122121100020002
41122123113201
522032030212
62204025345
7405326645
oct132332741
948540202
1023705057
1112420a62
127b32255
134bac97c
143210c25
152133ac2
hex169b5e1

23705057 has 2 divisors, whose sum is σ = 23705058. Its totient is φ = 23705056.

The previous prime is 23705053. The next prime is 23705063. The reversal of 23705057 is 75050732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 11566801 = 3484^2 + 3401^2 .

It is a cyclic number.

It is not a de Polignac number, because 23705057 - 22 = 23705053 is a prime.

It is not a weakly prime, because it can be changed into another prime (23705053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11852528 + 11852529.

It is an arithmetic number, because the mean of its divisors is an integer number (11852529).

Almost surely, 223705057 is an apocalyptic number.

It is an amenable number.

23705057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23705057 is an equidigital number, since it uses as much as digits as its factorization.

23705057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 23705057 is about 4868.7839344132. The cubic root of 23705057 is about 287.2634252953.

Adding to 23705057 its reverse (75050732), we get a palindrome (98755789).

The spelling of 23705057 in words is "twenty-three million, seven hundred five thousand, fifty-seven".