901340523 has 12 divisors (see below), whose sum is σ = 1302827760. Its totient is φ = 600482256.

The previous prime is 901340513. The next prime is 901340533. The reversal of 901340523 is 325043109.

901340523 is a `hidden beast` number, since 9 + 0 + 134 + 0 + 523 = 666.

It is an interprime number because it is at equal distance from previous prime (901340513) and next prime (901340533).

It is not a de Polignac number, because 901340523 - 2⁴ = 901340507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (901340513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20103 + ... + 46976.

It is an arithmetic number, because the mean of its divisors is an integer number (108568980).

Almost surely, 2^901340523 is an apocalyptic number.

901340523 is a deficient number, since it is larger than the sum of its proper divisors (401487237).

901340523 is a wasteful number, since it uses less digits than its factorization.

901340523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68578 (or 68575 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 901340523 is about 30022.3337367367. Note that the first 3 decimals coincide. The cubic root of 901340523 is about 965.9685026316.

The spelling of 901340523 in words is "nine hundred one million, three hundred forty thousand, five hundred twenty-three".