47320823 has 16 divisors (see below), whose sum is σ = 52641792. Its totient is φ = 42180000.

The previous prime is 47320781. The next prime is 47320829. The reversal of 47320823 is 32802374.

It is a cyclic number.

It is not a de Polignac number, because 47320823 - 2²² = 43126519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47320829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212090 + ... + 212312.

It is an arithmetic number, because the mean of its divisors is an integer number (3290112).

Almost surely, 2^47320823 is an apocalyptic number.

47320823 is a deficient number, since it is larger than the sum of its proper divisors (5320969).

47320823 is a wasteful number, since it uses less digits than its factorization.

47320823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 47320823 is about 6879.0132286542. The cubic root of 47320823 is about 361.7018775018.

The spelling of 47320823 in words is "forty-seven million, three hundred twenty thousand, eight hundred twenty-three".