69999023 has 4 divisors (see below), whose sum is σ = 72257088. Its totient is φ = 67740960.

The previous prime is 69999001. The next prime is 69999053. The reversal of 69999023 is 32099996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69999023 - 2¹⁰ = 69997999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69999053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128986 + ... + 1129047.

It is an arithmetic number, because the mean of its divisors is an integer number (18064272).

Almost surely, 2^69999023 is an apocalyptic number.

69999023 is a deficient number, since it is larger than the sum of its proper divisors (2258065).

69999023 is a wasteful number, since it uses less digits than its factorization.

69999023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258064.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 69999023 is about 8366.5418782195. The cubic root of 69999023 is about 412.1266125930.

The spelling of 69999023 in words is "sixty-nine million, nine hundred ninety-nine thousand, twenty-three".