23028719 has 4 divisors (see below), whose sum is σ = 26318544. Its totient is φ = 19738896.

The previous prime is 23028713. The next prime is 23028739. The reversal of 23028719 is 91782032.

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 23028719 - 2⁸ = 23028463 is a prime.

It is a super-2 number, since 2×23028719² = 1060643797561922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23028713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644902 + ... + 1644915.

It is an arithmetic number, because the mean of its divisors is an integer number (6579636).

Almost surely, 2^23028719 is an apocalyptic number.

23028719 is a deficient number, since it is larger than the sum of its proper divisors (3289825).

23028719 is an equidigital number, since it uses as much as digits as its factorization.

23028719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289824.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 23028719 is about 4798.8247519575. The cubic root of 23028719 is about 284.5050154426.

The spelling of 23028719 in words is "twenty-three million, twenty-eight thousand, seven hundred nineteen".