23409119 has 16 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 21020160.

The previous prime is 23409109. The next prime is 23409131. The reversal of 23409119 is 91190432.

It is a happy number.

It is not a de Polignac number, because 23409119 - 2⁴ = 23409103 is a prime.

It is a super-2 number, since 2×23409119² = 1095973704712322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23409091 and 23409100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23409109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50549 + ... + 51009.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^23409119 is an apocalyptic number.

23409119 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23409119 is a deficient number, since it is larger than the sum of its proper divisors (2536801).

23409119 is a wasteful number, since it uses less digits than its factorization.

23409119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 23409119 is about 4838.2971177884. The cubic root of 23409119 is about 286.0630006124.

The spelling of 23409119 in words is "twenty-three million, four hundred nine thousand, one hundred nineteen".