23078837 has 4 divisors (see below), whose sum is σ = 23117100. Its totient is φ = 23040576.

The previous prime is 23078827. The next prime is 23078851. The reversal of 23078837 is 73887032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 13256881 = 3134^2 + 3641^2 .

It is a cyclic number.

It is not a de Polignac number, because 23078837 - 2⁸ = 23078581 is a prime.

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 23078837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078827) 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, 18212 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (5779275).

Almost surely, 2^23078837 is an apocalyptic number.

It is an amenable number.

23078837 is a deficient number, since it is larger than the sum of its proper divisors (38263).

23078837 is an equidigital number, since it uses as much as digits as its factorization.

23078837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38262.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 23078837 is about 4804.0438174521. The cubic root of 23078837 is about 284.7112577858.

The spelling of 23078837 in words is "twenty-three million, seventy-eight thousand, eight hundred thirty-seven".