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BaseRepresentation
bin101101010011101
31011211011
411222131
51220242
6255221
7124426
oct55235
934734
1023197
1116479
1211511
13a735
14864d
156d17
hex5a9d

23197 has 2 divisors, whose sum is σ = 23198. Its totient is φ = 23196.

The previous prime is 23189. The next prime is 23201. The reversal of 23197 is 79132.

23197 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996 + 10201 = 114^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 23197 - 23 = 23189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11598 + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (11599).

223197 is an apocalyptic number.

It is an amenable number.

23197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23197 is an equidigital number, since it uses as much as digits as its factorization.

23197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 22.

The square root of 23197 is about 152.3056138164. The cubic root of 23197 is about 28.5196335423.

The spelling of 23197 in words is "twenty-three thousand, one hundred ninety-seven".