23427001 has 4 divisors (see below), whose sum is σ = 25229092. Its totient is φ = 21624912.

The previous prime is 23426987. The next prime is 23427013. The reversal of 23427001 is 10072432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4928400 + 18498601 = 2220^2 + 4301^2 .

It is a cyclic number.

It is not a de Polignac number, because 23427001 - 2¹⁵ = 23394233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23427001.

It is not an unprimeable number, because it can be changed into a prime (23427091) 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, 901026 + ... + 901051.

It is an arithmetic number, because the mean of its divisors is an integer number (6307273).

Almost surely, 2^23427001 is an apocalyptic number.

It is an amenable number.

23427001 is a deficient number, since it is larger than the sum of its proper divisors (1802091).

23427001 is a wasteful number, since it uses less digits than its factorization.

23427001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802090.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 23427001 is about 4840.1447292411. The cubic root of 23427001 is about 286.1358223278.

Adding to 23427001 its reverse (10072432), we get a palindrome (33499433).

The spelling of 23427001 in words is "twenty-three million, four hundred twenty-seven thousand, one".