23206851 has 8 divisors (see below), whose sum is σ = 34380560. Its totient is φ = 15471216.

The previous prime is 23206811. The next prime is 23206867. The reversal of 23206851 is 15860232.

It is not a de Polignac number, because 23206851 - 2⁶ = 23206787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 859513 = 23206851 / (2 + 3 + 2 + 0 + 6 + 8 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23206801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429730 + ... + 429783.

It is an arithmetic number, because the mean of its divisors is an integer number (4297570).

Almost surely, 2^23206851 is an apocalyptic number.

23206851 is a deficient number, since it is larger than the sum of its proper divisors (11173709).

23206851 is an equidigital number, since it uses as much as digits as its factorization.

23206851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859522 (or 859516 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 23206851 is about 4817.3489597495. The cubic root of 23206851 is about 285.2367008655.

The spelling of 23206851 in words is "twenty-three million, two hundred six thousand, eight hundred fifty-one".