28423502513 has 8 divisors (see below), whose sum is σ = 32594872128. Its totient is φ = 24279850224.

The previous prime is 28423502489. The next prime is 28423502537. The reversal of 28423502513 is 31520532482.

It is an interprime number because it is at equal distance from previous prime (28423502489) and next prime (28423502537).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28423502513 - 2⁶ = 28423502449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28423562513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6927131 + ... + 6931232.

It is an arithmetic number, because the mean of its divisors is an integer number (4074359016).

Almost surely, 2^28423502513 is an apocalyptic number.

It is an amenable number.

28423502513 is a deficient number, since it is larger than the sum of its proper divisors (4171369615).

28423502513 is a wasteful number, since it uses less digits than its factorization.

28423502513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858663.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 28423502513 in words is "twenty-eight billion, four hundred twenty-three million, five hundred two thousand, five hundred thirteen".