23748091 has 2 divisors, whose sum is σ = 23748092. Its totient is φ = 23748090.

The previous prime is 23748047. The next prime is 23748097. The reversal of 23748091 is 19084732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23748091 - 2¹³ = 23739899 is a prime.

It is a super-2 number, since 2×23748091² = 1127943652288562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23748097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874045 + 11874046.

It is an arithmetic number, because the mean of its divisors is an integer number (11874046).

Almost surely, 2^23748091 is an apocalyptic number.

23748091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23748091 is an equidigital number, since it uses as much as digits as its factorization.

23748091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 23748091 is about 4873.2013092012. The cubic root of 23748091 is about 287.4371522360.

The spelling of 23748091 in words is "twenty-three million, seven hundred forty-eight thousand, ninety-one".