23106340 has 12 divisors (see below), whose sum is σ = 48523356. Its totient is φ = 9242528.

The previous prime is 23106277. The next prime is 23106361. The reversal of 23106340 is 4360132.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 13133376 = 3158^2 + 3624^2 .

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, 577639 + ... + 577678.

It is an arithmetic number, because the mean of its divisors is an integer number (4043613).

Almost surely, 2^23106340 is an apocalyptic number.

23106340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23106340 is an abundant number, since it is smaller than the sum of its proper divisors (25417016).

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

23106340 is a wasteful number, since it uses less digits than its factorization.

23106340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155326 (or 1155324 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23106340 is about 4806.9054494550. The cubic root of 23106340 is about 284.8243094860.

Adding to 23106340 its reverse (4360132), we get a palindrome (27466472).

The spelling of 23106340 in words is "twenty-three million, one hundred six thousand, three hundred forty".