23261011 has 4 divisors (see below), whose sum is σ = 23699952. Its totient is φ = 22822072.

The previous prime is 23261003. The next prime is 23261023. The reversal of 23261011 is 11016232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23261011 - 2³ = 23261003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23261041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219391 + ... + 219496.

It is an arithmetic number, because the mean of its divisors is an integer number (5924988).

Almost surely, 2^23261011 is an apocalyptic number.

23261011 is a deficient number, since it is larger than the sum of its proper divisors (438941).

23261011 is an equidigital number, since it uses as much as digits as its factorization.

23261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438940.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 23261011 is about 4822.9670328544. The cubic root of 23261011 is about 285.4584229979.

Adding to 23261011 its reverse (11016232), we get a palindrome (34277243).

The spelling of 23261011 in words is "twenty-three million, two hundred sixty-one thousand, eleven".