94140523 has 4 divisors (see below), whose sum is σ = 94321048. Its totient is φ = 93960000.

The previous prime is 94140503. The next prime is 94140539. The reversal of 94140523 is 32504149.

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 94140523 - 2²⁵ = 60586091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94140491 and 94140500.

It is not an unprimeable number, because it can be changed into a prime (94140503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89478 + ... + 90523.

It is an arithmetic number, because the mean of its divisors is an integer number (23580262).

Almost surely, 2^94140523 is an apocalyptic number.

94140523 is a deficient number, since it is larger than the sum of its proper divisors (180525).

94140523 is a wasteful number, since it uses less digits than its factorization.

94140523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180524.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 94140523 is about 9702.6039288430. The cubic root of 94140523 is about 454.9100542729.

The spelling of 94140523 in words is "ninety-four million, one hundred forty thousand, five hundred twenty-three".