109423697 has 2 divisors, whose sum is σ = 109423698. Its totient is φ = 109423696.

The previous prime is 109423667. The next prime is 109423729. The reversal of 109423697 is 796324901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 31348801 = 8836^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 109423697 - 2¹² = 109419601 is a prime.

It is not a weakly prime, because it can be changed into another prime (109423607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54711848 + 54711849.

It is an arithmetic number, because the mean of its divisors is an integer number (54711849).

Almost surely, 2^109423697 is an apocalyptic number.

It is an amenable number.

109423697 is a deficient number, since it is larger than the sum of its proper divisors (1).

109423697 is an equidigital number, since it uses as much as digits as its factorization.

109423697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 109423697 is about 10460.5782344955. The cubic root of 109423697 is about 478.3037596460.

The spelling of 109423697 in words is "one hundred nine million, four hundred twenty-three thousand, six hundred ninety-seven".