23461247 has 4 divisors (see below), whose sum is σ = 23537976. Its totient is φ = 23384520.

The previous prime is 23461231. The next prime is 23461253. The reversal of 23461247 is 74216432.

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 23461247 - 2⁴ = 23461231 is a prime.

It is a super-2 number, since 2×23461247² = 1100860221590018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23461267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37904 + ... + 38517.

It is an arithmetic number, because the mean of its divisors is an integer number (5884494).

Almost surely, 2^23461247 is an apocalyptic number.

23461247 is a deficient number, since it is larger than the sum of its proper divisors (76729).

23461247 is an equidigital number, since it uses as much as digits as its factorization.

23461247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76728.

The product of its digits is 8064, while the sum is 29.

The square root of 23461247 is about 4843.6811414460. The cubic root of 23461247 is about 286.2751805617.

Adding to 23461247 its reverse (74216432), we get a palindrome (97677679).

The spelling of 23461247 in words is "twenty-three million, four hundred sixty-one thousand, two hundred forty-seven".