47123398 has 32 divisors (see below), whose sum is σ = 83649600. Its totient is φ = 19897920.

The previous prime is 47123387. The next prime is 47123407. The reversal of 47123398 is 89332174.

It is a super-2 number, since 2×47123398² = 4441229278132808, which contains 22 as substring.

It is a congruent number.

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, 49608 + ... + 50548.

It is an arithmetic number, because the mean of its divisors is an integer number (2614050).

Almost surely, 2^47123398 is an apocalyptic number.

47123398 is a deficient number, since it is larger than the sum of its proper divisors (36526202).

47123398 is an equidigital number, since it uses as much as digits as its factorization.

47123398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1023 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 47123398 is about 6864.6484250834. The cubic root of 47123398 is about 361.1981631619.

The spelling of 47123398 in words is "forty-seven million, one hundred twenty-three thousand, three hundred ninety-eight".