23105406 has 16 divisors (see below), whose sum is σ = 48643200. Its totient is φ = 7296408.

The previous prime is 23105399. The next prime is 23105417. The reversal of 23105406 is 60450132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101226 + ... + 101453.

It is an arithmetic number, because the mean of its divisors is an integer number (3040200).

Almost surely, 2^23105406 is an apocalyptic number.

23105406 is an abundant number, since it is smaller than the sum of its proper divisors (25537794).

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

23105406 is a wasteful number, since it uses less digits than its factorization.

23105406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202703.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23105406 is about 4806.8082965727. The cubic root of 23105406 is about 284.8204717299.

Adding to 23105406 its reverse (60450132), we get a palindrome (83555538).

The spelling of 23105406 in words is "twenty-three million, one hundred five thousand, four hundred six".