23401206 has 48 divisors (see below), whose sum is σ = 52416000. Its totient is φ = 7541424.

The previous prime is 23401199. The next prime is 23401211. The reversal of 23401206 is 60210432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117495 + ... + 117693.

It is an arithmetic number, because the mean of its divisors is an integer number (1092000).

Almost surely, 2^23401206 is an apocalyptic number.

23401206 is an abundant number, since it is smaller than the sum of its proper divisors (29014794).

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

23401206 is a wasteful number, since it uses less digits than its factorization.

23401206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23401206 is about 4837.4793022813. The cubic root of 23401206 is about 286.0307642913.

Adding to 23401206 its reverse (60210432), we get a palindrome (83611638).

The spelling of 23401206 in words is "twenty-three million, four hundred one thousand, two hundred six".