23438207 has 8 divisors (see below), whose sum is σ = 25502736. Its totient is φ = 21411072.

The previous prime is 23438197. The next prime is 23438209. The reversal of 23438207 is 70283432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23438207 - 2¹⁴ = 23421823 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 23438207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23438209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8033 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (3187842).

Almost surely, 2^23438207 is an apocalyptic number.

23438207 is a deficient number, since it is larger than the sum of its proper divisors (2064529).

23438207 is a wasteful number, since it uses less digits than its factorization.

23438207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23438207 is about 4841.3022008546. The cubic root of 23438207 is about 286.1814381666.

The spelling of 23438207 in words is "twenty-three million, four hundred thirty-eight thousand, two hundred seven".