23240811 has 16 divisors (see below), whose sum is σ = 33886080. Its totient is φ = 14051520.

The previous prime is 23240797. The next prime is 23240831. The reversal of 23240811 is 11804232.

It is not a de Polignac number, because 23240811 - 2¹³ = 23232619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23240831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23911 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (2117880).

Almost surely, 2^23240811 is an apocalyptic number.

23240811 is a deficient number, since it is larger than the sum of its proper divisors (10645269).

23240811 is a wasteful number, since it uses less digits than its factorization.

23240811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 23240811 is about 4820.8724314174. The cubic root of 23240811 is about 285.3757678043.

The spelling of 23240811 in words is "twenty-three million, two hundred forty thousand, eight hundred eleven".