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23695457 is a prime number
BaseRepresentation
bin101101001100…
…1000001100001
31122120212001112
41122121001201
522031223312
62203513105
7405256652
oct132310141
948525045
1023695457
1112414825
127b28795
134ba84a6
14320b529
152130d22
hex1699061

23695457 has 2 divisors, whose sum is σ = 23695458. Its totient is φ = 23695456.

The previous prime is 23695447. The next prime is 23695517. The reversal of 23695457 is 75459632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13512976 + 10182481 = 3676^2 + 3191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23695457 is a prime.

It is a super-2 number, since 2×236954572 = 1122949364877698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23695447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847728 + 11847729.

It is an arithmetic number, because the mean of its divisors is an integer number (11847729).

Almost surely, 223695457 is an apocalyptic number.

It is an amenable number.

23695457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23695457 is an equidigital number, since it uses as much as digits as its factorization.

23695457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 23695457 is about 4867.7979621180. The cubic root of 23695457 is about 287.2246417109.

The spelling of 23695457 in words is "twenty-three million, six hundred ninety-five thousand, four hundred fifty-seven".