23070919 has 4 divisors (see below), whose sum is σ = 23607496. Its totient is φ = 22534344.

The previous prime is 23070907. The next prime is 23070973. The reversal of 23070919 is 91907032.

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 23070919 - 2⁹ = 23070407 is a prime.

It is a super-2 number, since 2×23070919² = 1064534607009122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21070919) 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, 268224 + ... + 268309.

It is an arithmetic number, because the mean of its divisors is an integer number (5901874).

Almost surely, 2^23070919 is an apocalyptic number.

23070919 is a deficient number, since it is larger than the sum of its proper divisors (536577).

23070919 is an equidigital number, since it uses as much as digits as its factorization.

23070919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536576.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 23070919 is about 4803.2196493602. The cubic root of 23070919 is about 284.6786940190.

The spelling of 23070919 in words is "twenty-three million, seventy thousand, nine hundred nineteen".