47123378 has 8 divisors (see below), whose sum is σ = 71740272. Its totient is φ = 23209956.

The previous prime is 47123369. The next prime is 47123381. The reversal of 47123378 is 87332174.

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

It is a super-2 number, since 2×47123378² = 4441225508261768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175700 + ... + 175967.

It is an arithmetic number, because the mean of its divisors is an integer number (8967534).

Almost surely, 2^47123378 is an apocalyptic number.

47123378 is a deficient number, since it is larger than the sum of its proper divisors (24616894).

47123378 is a wasteful number, since it uses less digits than its factorization.

47123378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351736.

The product of its digits is 28224, while the sum is 35.

The square root of 47123378 is about 6864.6469683444. The cubic root of 47123378 is about 361.1981120623.

The spelling of 47123378 in words is "forty-seven million, one hundred twenty-three thousand, three hundred seventy-eight".