23930015485 has 4 divisors (see below), whose sum is σ = 28716018588. Its totient is φ = 19144012384.

The previous prime is 23930015477. The next prime is 23930015489. The reversal of 23930015485 is 58451003932.

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 2978321476 + 20951694009 = 54574^2 + 144747^2 .

It is a cyclic number.

It is not a de Polignac number, because 23930015485 - 2³ = 23930015477 is a prime.

It is a super-2 number, since 2×23930015485² (a number of 22 digits) 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 (23930015489) 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, 2393001544 + ... + 2393001553.

It is an arithmetic number, because the mean of its divisors is an integer number (7179004647).

Almost surely, 2^23930015485 is an apocalyptic number.

It is an amenable number.

23930015485 is a deficient number, since it is larger than the sum of its proper divisors (4786003103).

23930015485 is an equidigital number, since it uses as much as digits as its factorization.

23930015485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786003102.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 23930015485 in words is "twenty-three billion, nine hundred thirty million, fifteen thousand, four hundred eighty-five".