23120266 has 16 divisors (see below), whose sum is σ = 37465344. Its totient is φ = 10637424.

The previous prime is 23120249. The next prime is 23120299. The reversal of 23120266 is 66202132.

It is a happy 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, 8331 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (2341584).

Almost surely, 2^23120266 is an apocalyptic number.

23120266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23120266 is a deficient number, since it is larger than the sum of its proper divisors (14345078).

23120266 is a wasteful number, since it uses less digits than its factorization.

23120266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23120266 is about 4808.3537723425. The cubic root of 23120266 is about 284.8815184129.

Adding to 23120266 its reverse (66202132), we get a palindrome (89322398).

The spelling of 23120266 in words is "twenty-three million, one hundred twenty thousand, two hundred sixty-six".