105123397 has 2 divisors, whose sum is σ = 105123398. Its totient is φ = 105123396.

The previous prime is 105123377. The next prime is 105123407. The reversal of 105123397 is 793321501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63984001 + 41139396 = 7999^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 105123397 - 2⁷ = 105123269 is a prime.

It is a super-2 number, since 2×105123397² = 22101857193639218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105123367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52561698 + 52561699.

It is an arithmetic number, because the mean of its divisors is an integer number (52561699).

Almost surely, 2^105123397 is an apocalyptic number.

It is an amenable number.

105123397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105123397 is an equidigital number, since it uses as much as digits as its factorization.

105123397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 105123397 is about 10252.9701550331. The cubic root of 105123397 is about 471.9541349789.

Adding to 105123397 its reverse (793321501), we get a palindrome (898444898).

The spelling of 105123397 in words is "one hundred five million, one hundred twenty-three thousand, three hundred ninety-seven".