47642323 has 16 divisors (see below), whose sum is σ = 50371200. Its totient is φ = 45017280.

The previous prime is 47642317. The next prime is 47642327. The reversal of 47642323 is 32324674.

It is a cyclic number.

It is not a de Polignac number, because 47642323 - 2¹³ = 47634131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47642327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225688 + ... + 225898.

It is an arithmetic number, because the mean of its divisors is an integer number (3148200).

Almost surely, 2^47642323 is an apocalyptic number.

47642323 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47642323 is a deficient number, since it is larger than the sum of its proper divisors (2728877).

47642323 is a wasteful number, since it uses less digits than its factorization.

47642323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 24192, while the sum is 31.

The square root of 47642323 is about 6902.3418489669. The cubic root of 47642323 is about 362.5191694976.

Adding to 47642323 its reverse (32324674), we get a palindrome (79966997).

The spelling of 47642323 in words is "forty-seven million, six hundred forty-two thousand, three hundred twenty-three".