69928623 has 16 divisors (see below), whose sum is σ = 104552800. Its totient is φ = 46189440.

The previous prime is 69928619. The next prime is 69928627. The reversal of 69928623 is 32682996.

It is an interprime number because it is at equal distance from previous prime (69928619) and next prime (69928627).

It is not a de Polignac number, because 69928623 - 2² = 69928619 is a prime.

It is a super-2 number, since 2×69928623² = 9780024629352258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69928627) 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 15 ways as a sum of consecutive naturals, for example, 8938 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (6534550).

Almost surely, 2^69928623 is an apocalyptic number.

69928623 is a deficient number, since it is larger than the sum of its proper divisors (34624177).

69928623 is a wasteful number, since it uses less digits than its factorization.

69928623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879 (or 23873 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 69928623 is about 8362.3335857881. Note that the first 3 decimals coincide. The cubic root of 69928623 is about 411.9884037802.

The spelling of 69928623 in words is "sixty-nine million, nine hundred twenty-eight thousand, six hundred twenty-three".