69809023 has 2 divisors, whose sum is σ = 69809024. Its totient is φ = 69809022.

The previous prime is 69808967. The next prime is 69809029. The reversal of 69809023 is 32090896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69809023 - 2²¹ = 67711871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69809029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34904511 + 34904512.

It is an arithmetic number, because the mean of its divisors is an integer number (34904512).

Almost surely, 2^69809023 is an apocalyptic number.

69809023 is a deficient number, since it is larger than the sum of its proper divisors (1).

69809023 is an equidigital number, since it uses as much as digits as its factorization.

69809023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 69809023 is about 8355.1794115985. The cubic root of 69809023 is about 411.7533930461.

The spelling of 69809023 in words is "sixty-nine million, eight hundred nine thousand, twenty-three".