47323018 has 8 divisors (see below), whose sum is σ = 71249220. Its totient is φ = 23573280.

The previous prime is 47323013. The next prime is 47323027. The reversal of 47323018 is 81032374.

It can be written as a sum of positive squares in 2 ways, for example, as 31775769 + 15547249 = 5637^2 + 3943^2 .

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

It is not an unprimeable number, because it can be changed into a prime (47323013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43443 + ... + 44518.

Almost surely, 2^47323018 is an apocalyptic number.

47323018 is a deficient number, since it is larger than the sum of its proper divisors (23926202).

47323018 is a wasteful number, since it uses less digits than its factorization.

47323018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88232.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47323018 is about 6879.1727700357. The cubic root of 47323018 is about 361.7074699894.

It can be divided in two parts, 4732 and 3018, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 47323018 in words is "forty-seven million, three hundred twenty-three thousand, eighteen".