23528014078 has 4 divisors (see below), whose sum is σ = 35292021120. Its totient is φ = 11764007038.

The previous prime is 23528014061. The next prime is 23528014079. The reversal of 23528014078 is 87041082532.

It is a happy number.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 23528014078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528014079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882003518 + ... + 5882003521.

It is an arithmetic number, because the mean of its divisors is an integer number (8823005280).

Almost surely, 2^23528014078 is an apocalyptic number.

23528014078 is a deficient number, since it is larger than the sum of its proper divisors (11764007042).

23528014078 is a wasteful number, since it uses less digits than its factorization.

23528014078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11764007041.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 23528014078 in words is "twenty-three billion, five hundred twenty-eight million, fourteen thousand, seventy-eight".