23106890 has 8 divisors (see below), whose sum is σ = 41592420. Its totient is φ = 9242752.

The previous prime is 23106883. The next prime is 23106901. The reversal of 23106890 is 9860132.

It can be written as a sum of positive squares in 2 ways, for example, as 20948929 + 2157961 = 4577^2 + 1469^2 .

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

It is a Curzon 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, 1155335 + ... + 1155354.

Almost surely, 2^23106890 is an apocalyptic number.

23106890 is a deficient number, since it is larger than the sum of its proper divisors (18485530).

23106890 is a wasteful number, since it uses less digits than its factorization.

23106890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310696.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 23106890 is about 4806.9626584778. The cubic root of 23106890 is about 284.8265693582.

The spelling of 23106890 in words is "twenty-three million, one hundred six thousand, eight hundred ninety".