23078135 has 4 divisors (see below), whose sum is σ = 27693768. Its totient is φ = 18462504.

The previous prime is 23078123. The next prime is 23078137. The reversal of 23078135 is 53187032.

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 23078135 - 2⁴ = 23078119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23078098 and 23078107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078137) 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, 2307809 + ... + 2307818.

It is an arithmetic number, because the mean of its divisors is an integer number (6923442).

Almost surely, 2^23078135 is an apocalyptic number.

23078135 is a deficient number, since it is larger than the sum of its proper divisors (4615633).

23078135 is an equidigital number, since it uses as much as digits as its factorization.

23078135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615632.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 23078135 is about 4803.9707534497. The cubic root of 23078135 is about 284.7083710238.

The spelling of 23078135 in words is "twenty-three million, seventy-eight thousand, one hundred thirty-five".