23156241 has 4 divisors (see below), whose sum is σ = 30874992. Its totient is φ = 15437492.

The previous prime is 23156219. The next prime is 23156249. The reversal of 23156241 is 14265132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23156241 - 2⁵ = 23156209 is a prime.

It is a super-2 number, since 2×23156241² = 1072422994500162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23156249) 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, 3859371 + ... + 3859376.

It is an arithmetic number, because the mean of its divisors is an integer number (7718748).

Almost surely, 2^23156241 is an apocalyptic number.

It is an amenable number.

23156241 is a deficient number, since it is larger than the sum of its proper divisors (7718751).

23156241 is an equidigital number, since it uses as much as digits as its factorization.

23156241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718750.

The product of its digits is 1440, while the sum is 24.

The square root of 23156241 is about 4812.0932035861. The cubic root of 23156241 is about 285.0291998399.

The spelling of 23156241 in words is "twenty-three million, one hundred fifty-six thousand, two hundred forty-one".