47164623 has 8 divisors (see below), whose sum is σ = 68603136. Its totient is φ = 28584600.

The previous prime is 47164591. The next prime is 47164639. The reversal of 47164623 is 32646174.

It is a happy number.

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

It is not a de Polignac number, because 47164623 - 2⁵ = 47164591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1429231 = 47164623 / (4 + 7 + 1 + 6 + 4 + 6 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47164823) 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 7 ways as a sum of consecutive naturals, for example, 714583 + ... + 714648.

It is an arithmetic number, because the mean of its divisors is an integer number (8575392).

Almost surely, 2^47164623 is an apocalyptic number.

47164623 is a deficient number, since it is larger than the sum of its proper divisors (21438513).

47164623 is a wasteful number, since it uses less digits than its factorization.

47164623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429245.

The product of its digits is 24192, while the sum is 33.

The square root of 47164623 is about 6867.6504715951. The cubic root of 47164623 is about 361.3034615546.

It can be divided in two parts, 4716 and 4623, that added together give a palindrome (9339).

The spelling of 47164623 in words is "forty-seven million, one hundred sixty-four thousand, six hundred twenty-three".