23431206 has 8 divisors (see below), whose sum is σ = 46862424. Its totient is φ = 7810400.

The previous prime is 23431193. The next prime is 23431211. The reversal of 23431206 is 60213432.

It is a happy number.

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

23431206 is an admirable number.

It is a super-2 number, since 2×23431206² = 1098042829228872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952595 + ... + 1952606.

It is an arithmetic number, because the mean of its divisors is an integer number (5857803).

Almost surely, 2^23431206 is an apocalyptic number.

23431206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431206 is a wasteful number, since it uses less digits than its factorization.

23431206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905206.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23431206 is about 4840.5790975874. The cubic root of 23431206 is about 286.1529411664.

Adding to 23431206 its reverse (60213432), we get a palindrome (83644638).

The spelling of 23431206 in words is "twenty-three million, four hundred thirty-one thousand, two hundred six".