68998523 has 8 divisors (see below), whose sum is σ = 75596976. Its totient is φ = 62454400.

The previous prime is 68998487. The next prime is 68998549. The reversal of 68998523 is 32589986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68998523 - 2¹² = 68994427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68998123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10898 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (9449622).

Almost surely, 2^68998523 is an apocalyptic number.

68998523 is a deficient number, since it is larger than the sum of its proper divisors (6598453).

68998523 is a wasteful number, since it uses less digits than its factorization.

68998523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27165.

The product of its digits is 933120, while the sum is 50.

The square root of 68998523 is about 8306.5349574898. The cubic root of 68998523 is about 410.1536663731.

The spelling of 68998523 in words is "sixty-eight million, nine hundred ninety-eight thousand, five hundred twenty-three".