23020519 has 8 divisors (see below), whose sum is σ = 23940000. Its totient is φ = 22109472.

The previous prime is 23020511. The next prime is 23020573. The reversal of 23020519 is 91502032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23020519 - 2³ = 23020511 is a prime.

It is a super-2 number, since 2×23020519² = 1059888590058722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23020519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777 + ... + 7765.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^23020519 is an apocalyptic number.

23020519 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23020519 is a deficient number, since it is larger than the sum of its proper divisors (919481).

23020519 is a wasteful number, since it uses less digits than its factorization.

23020519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 23020519 is about 4797.9703000331. The cubic root of 23020519 is about 284.4712428580.

The spelling of 23020519 in words is "twenty-three million, twenty thousand, five hundred nineteen".