23698047 has 4 divisors (see below), whose sum is σ = 31597400. Its totient is φ = 15798696.

The previous prime is 23698033. The next prime is 23698057. The reversal of 23698047 is 74089632.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23698047 - 2²⁴ = 6920831 is a prime.

It is a super-2 number, since 2×23698047² = 1123194863228418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23697996 and 23698014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23698007) 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, 3949672 + ... + 3949677.

It is an arithmetic number, because the mean of its divisors is an integer number (7899350).

Almost surely, 2^23698047 is an apocalyptic number.

23698047 is a deficient number, since it is larger than the sum of its proper divisors (7899353).

23698047 is an equidigital number, since it uses as much as digits as its factorization.

23698047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899352.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 23698047 is about 4868.0639888974. The cubic root of 23698047 is about 287.2351062304.

The spelling of 23698047 in words is "twenty-three million, six hundred ninety-eight thousand, forty-seven".