23907213 has 24 divisors (see below), whose sum is σ = 38319840. Its totient is φ = 14240160.

The previous prime is 23907211. The next prime is 23907239. The reversal of 23907213 is 31270932.

It is not a de Polignac number, because 23907213 - 2¹ = 23907211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23907211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3795 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (1596660).

Almost surely, 2^23907213 is an apocalyptic number.

It is an amenable number.

23907213 is a deficient number, since it is larger than the sum of its proper divisors (14412627).

23907213 is a wasteful number, since it uses less digits than its factorization.

23907213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4166 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23907213 is about 4889.5002812148. The cubic root of 23907213 is about 288.0777061732.

The spelling of 23907213 in words is "twenty-three million, nine hundred seven thousand, two hundred thirteen".