47423204623721 has 8 divisors (see below), whose sum is σ = 47724108594240. Its totient is φ = 47122422166512.

The previous prime is 47423204623709. The next prime is 47423204623727. The reversal of 47423204623721 is 12732640232474.

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

It is a cyclic number.

It is not a de Polignac number, because 47423204623721 - 2⁴² = 43025158112617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47423204623727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29595245 + ... + 31156458.

It is an arithmetic number, because the mean of its divisors is an integer number (5965513574280).

Almost surely, 2^{47423204623721} is an apocalyptic number.

It is an amenable number.

47423204623721 is a deficient number, since it is larger than the sum of its proper divisors (300903970519).

47423204623721 is a wasteful number, since it uses less digits than its factorization.

47423204623721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60756655.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 47423204623721 in words is "forty-seven trillion, four hundred twenty-three billion, two hundred four million, six hundred twenty-three thousand, seven hundred twenty-one".