23471897 has 4 divisors (see below), whose sum is σ = 24707280. Its totient is φ = 22236516.

The previous prime is 23471879. The next prime is 23471923. The reversal of 23471897 is 79817432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23471897 - 2¹⁰ = 23470873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23471827) 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, 617663 + ... + 617700.

It is an arithmetic number, because the mean of its divisors is an integer number (6176820).

Almost surely, 2^23471897 is an apocalyptic number.

It is an amenable number.

23471897 is a deficient number, since it is larger than the sum of its proper divisors (1235383).

23471897 is a wasteful number, since it uses less digits than its factorization.

23471897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235382.

The product of its digits is 84672, while the sum is 41.

The square root of 23471897 is about 4844.7803871796. The cubic root of 23471897 is about 286.3184912670.

The spelling of 23471897 in words is "twenty-three million, four hundred seventy-one thousand, eight hundred ninety-seven".