47423072643 has 32 divisors (see below), whose sum is σ = 66842979840. Its totient is φ = 29864163840.

The previous prime is 47423072621. The next prime is 47423072659. The reversal of 47423072643 is 34627032474.

It is a happy number.

It is not a de Polignac number, because 47423072643 - 2¹⁷ = 47422941571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47423072595 and 47423072604.

It is not an unprimeable number, because it can be changed into a prime (47423072603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711883 + ... + 775643.

It is an arithmetic number, because the mean of its divisors is an integer number (2088843120).

Almost surely, 2^47423072643 is an apocalyptic number.

47423072643 is a deficient number, since it is larger than the sum of its proper divisors (19419907197).

47423072643 is a wasteful number, since it uses less digits than its factorization.

47423072643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63979.

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 47423072643 in words is "forty-seven billion, four hundred twenty-three million, seventy-two thousand, six hundred forty-three".