109478023 has 2 divisors, whose sum is σ = 109478024. Its totient is φ = 109478022.

The previous prime is 109478003. The next prime is 109478029. The reversal of 109478023 is 320874901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109478023 - 2¹³ = 109469831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109478023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109478029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54739011 + 54739012.

It is an arithmetic number, because the mean of its divisors is an integer number (54739012).

Almost surely, 2^109478023 is an apocalyptic number.

109478023 is a deficient number, since it is larger than the sum of its proper divisors (1).

109478023 is an equidigital number, since it uses as much as digits as its factorization.

109478023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 109478023 is about 10463.1746138541. The cubic root of 109478023 is about 478.3829016472.

The spelling of 109478023 in words is "one hundred nine million, four hundred seventy-eight thousand, twenty-three".