23700001 has 4 divisors (see below), whose sum is σ = 25523092. Its totient is φ = 21876912.

The previous prime is 23699987. The next prime is 23700029. The reversal of 23700001 is 10000732.

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 6051600 + 17648401 = 2460^2 + 4201^2 .

It is a cyclic number.

It is not a de Polignac number, because 23700001 - 2⁵ = 23699969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1823077 = 23700001 / (2 + 3 + 7 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23700031) 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, 911526 + ... + 911551.

It is an arithmetic number, because the mean of its divisors is an integer number (6380773).

Almost surely, 2^23700001 is an apocalyptic number.

It is an amenable number.

23700001 is a deficient number, since it is larger than the sum of its proper divisors (1823091).

23700001 is a wasteful number, since it uses less digits than its factorization.

23700001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823090.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 23700001 is about 4868.2646805612. The cubic root of 23700001 is about 287.2430005796.

Adding to 23700001 its reverse (10000732), we get a palindrome (33700733).

The spelling of 23700001 in words is "twenty-three million, seven hundred thousand, one".