23120205 has 8 divisors (see below), whose sum is σ = 36992352. Its totient is φ = 12330768.

The previous prime is 23120191. The next prime is 23120249. The reversal of 23120205 is 50202132.

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

It is not a de Polignac number, because 23120205 - 2⁴ = 23120189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1541347 = 23120205 / (2 + 3 + 1 + 2 + 0 + 2 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770659 + ... + 770688.

It is an arithmetic number, because the mean of its divisors is an integer number (4624044).

Almost surely, 2^23120205 is an apocalyptic number.

It is an amenable number.

23120205 is a deficient number, since it is larger than the sum of its proper divisors (13872147).

23120205 is a wasteful number, since it uses less digits than its factorization.

23120205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541355.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23120205 is about 4808.3474292110. The cubic root of 23120205 is about 284.8812678710.

Adding to 23120205 its reverse (50202132), we get a palindrome (73322337).

The spelling of 23120205 in words is "twenty-three million, one hundred twenty thousand, two hundred five".