47423985 has 16 divisors (see below), whose sum is σ = 86718336. Its totient is φ = 21679488.

The previous prime is 47423977. The next prime is 47423993. The reversal of 47423985 is 58932474.

It is an interprime number because it is at equal distance from previous prime (47423977) and next prime (47423993).

It is not a de Polignac number, because 47423985 - 2³ = 47423977 is a prime.

It is a super-3 number, since 3×47423985³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225724 + ... + 225933.

It is an arithmetic number, because the mean of its divisors is an integer number (5419896).

Almost surely, 2^47423985 is an apocalyptic number.

It is an amenable number.

47423985 is a deficient number, since it is larger than the sum of its proper divisors (39294351).

47423985 is a wasteful number, since it uses less digits than its factorization.

47423985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451672.

The product of its digits is 241920, while the sum is 42.

The square root of 47423985 is about 6886.5074602443. The cubic root of 47423985 is about 361.9645300656.

The spelling of 47423985 in words is "forty-seven million, four hundred twenty-three thousand, nine hundred eighty-five".