116421523 has 8 divisors (see below), whose sum is σ = 121530240. Its totient is φ = 111397440.

The previous prime is 116421521. The next prime is 116421533. The reversal of 116421523 is 325124611.

It is a happy number.

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 116421523 - 2¹ = 116421521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116421521) 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, 18340 + ... + 23857.

It is an arithmetic number, because the mean of its divisors is an integer number (15191280).

Almost surely, 2^116421523 is an apocalyptic number.

116421523 is a deficient number, since it is larger than the sum of its proper divisors (5108717).

116421523 is an equidigital number, since it uses as much as digits as its factorization.

116421523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42317.

The product of its digits is 1440, while the sum is 25.

The square root of 116421523 is about 10789.8805832131. The cubic root of 116421523 is about 488.2899197144.

The spelling of 116421523 in words is "one hundred sixteen million, four hundred twenty-one thousand, five hundred twenty-three".