10523205197 has 2 divisors, whose sum is σ = 10523205198. Its totient is φ = 10523205196.

The previous prime is 10523205193. The next prime is 10523205361. The reversal of 10523205197 is 79150232501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10370163556 + 153041641 = 101834^2 + 12371^2 .

It is a cyclic number.

It is not a de Polignac number, because 10523205197 - 2² = 10523205193 is a prime.

It is a super-2 number, since 2×10523205197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10523205193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261602598 + 5261602599.

It is an arithmetic number, because the mean of its divisors is an integer number (5261602599).

Almost surely, 2^10523205197 is an apocalyptic number.

It is an amenable number.

10523205197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10523205197 is an equidigital number, since it uses as much as digits as its factorization.

10523205197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

Adding to 10523205197 its reverse (79150232501), we get a palindrome (89673437698).

The spelling of 10523205197 in words is "ten billion, five hundred twenty-three million, two hundred five thousand, one hundred ninety-seven".