23205051 has 12 divisors (see below), whose sum is σ = 35490312. Its totient is φ = 14559936.

The previous prime is 23205011. The next prime is 23205067. The reversal of 23205051 is 15050232.

It is a happy number.

It is not a de Polignac number, because 23205051 - 2¹⁴ = 23188667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23205011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75681 + ... + 75986.

It is an arithmetic number, because the mean of its divisors is an integer number (2957526).

Almost surely, 2^23205051 is an apocalyptic number.

23205051 is a deficient number, since it is larger than the sum of its proper divisors (12285261).

23205051 is a wasteful number, since it uses less digits than its factorization.

23205051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151690 (or 151687 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 23205051 is about 4817.1621313798. The cubic root of 23205051 is about 285.2293260413.

Adding to 23205051 its reverse (15050232), we get a palindrome (38255283).

The spelling of 23205051 in words is "twenty-three million, two hundred five thousand, fifty-one".