23029219 has 4 divisors (see below), whose sum is σ = 23823360. Its totient is φ = 22235080.

The previous prime is 23029217. The next prime is 23029261. The reversal of 23029219 is 91292032.

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 23029219 - 2¹ = 23029217 is a prime.

It is a super-2 number, since 2×23029219² = 1060689855499922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23029213) 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, 397027 + ... + 397084.

It is an arithmetic number, because the mean of its divisors is an integer number (5955840).

Almost surely, 2^23029219 is an apocalyptic number.

23029219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23029219 is a deficient number, since it is larger than the sum of its proper divisors (794141).

23029219 is an equidigital number, since it uses as much as digits as its factorization.

23029219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794140.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 23029219 is about 4798.8768477634. The cubic root of 23029219 is about 284.5070744872.

The spelling of 23029219 in words is "twenty-three million, twenty-nine thousand, two hundred nineteen".