23381369 has 4 divisors (see below), whose sum is σ = 25506960. Its totient is φ = 21255780.

The previous prime is 23381359. The next prime is 23381377. The reversal of 23381369 is 96318332.

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 23381369 - 2¹⁶ = 23315833 is a prime.

It is a super-2 number, since 2×23381369² = 1093376832628322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23381359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062779 + ... + 1062800.

It is an arithmetic number, because the mean of its divisors is an integer number (6376740).

Almost surely, 2^23381369 is an apocalyptic number.

It is an amenable number.

23381369 is a deficient number, since it is larger than the sum of its proper divisors (2125591).

23381369 is a wasteful number, since it uses less digits than its factorization.

23381369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125590.

The product of its digits is 23328, while the sum is 35.

The square root of 23381369 is about 4835.4285228923. The cubic root of 23381369 is about 285.9499195079.

The spelling of 23381369 in words is "twenty-three million, three hundred eighty-one thousand, three hundred sixty-nine".