23419 has 4 divisors (see below), whose sum is σ = 25560. Its totient is φ = 21280.

The previous prime is 23417. The next prime is 23431. The reversal of 23419 is 91432.

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 23419 - 2¹ = 23417 is a prime.

It is a super-2 number, since 2×23419² = 1096899122, which contains 22 as substring.

It is a Duffinian number.

23419 is a lucky number.

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 23396 and 23405.

It is not an unprimeable number, because it can be changed into a prime (23417) 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 3 ways as a sum of consecutive naturals, for example, 1054 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (6390).

2²³⁴¹⁹ is an apocalyptic number.

23419 is a deficient number, since it is larger than the sum of its proper divisors (2141).

23419 is a wasteful number, since it uses less digits than its factorization.

23419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its digits is 216, while the sum is 19.

The square root of 23419 is about 153.0326762492. The cubic root of 23419 is about 28.6103244059.

It can be divided in two parts, 234 and 19, that added together give a triangular number (253 = T₂₂).

The spelling of 23419 in words is "twenty-three thousand, four hundred nineteen".