23700213 has 12 divisors (see below), whose sum is σ = 35338368. Its totient is φ = 15290280.

The previous prime is 23700211. The next prime is 23700223. The reversal of 23700213 is 31200732.

It is not a de Polignac number, because 23700213 - 2¹ = 23700211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23700211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42195 + ... + 42752.

It is an arithmetic number, because the mean of its divisors is an integer number (2944864).

Almost surely, 2^23700213 is an apocalyptic number.

It is an amenable number.

23700213 is a deficient number, since it is larger than the sum of its proper divisors (11638155).

23700213 is a wasteful number, since it uses less digits than its factorization.

23700213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84984 (or 84981 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 23700213 is about 4868.2864541849. The cubic root of 23700213 is about 287.2438570540.

Adding to 23700213 its reverse (31200732), we get a palindrome (54900945).

The spelling of 23700213 in words is "twenty-three million, seven hundred thousand, two hundred thirteen".