23642199285 has 16 divisors (see below), whose sum is σ = 40052667456. Its totient is φ = 11867456768.

The previous prime is 23642199271. The next prime is 23642199289. The reversal of 23642199285 is 58299124632.

It is a cyclic number.

It is not a de Polignac number, because 23642199285 - 2⁷ = 23642199157 is a prime.

It is a super-2 number, since 2×23642199285² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642199289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46356999 + ... + 46357508.

It is an arithmetic number, because the mean of its divisors is an integer number (2503291716).

Almost surely, 2^23642199285 is an apocalyptic number.

It is an amenable number.

23642199285 is a deficient number, since it is larger than the sum of its proper divisors (16410468171).

23642199285 is a wasteful number, since it uses less digits than its factorization.

23642199285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92714532.

The product of its digits is 1866240, while the sum is 51.

The spelling of 23642199285 in words is "twenty-three billion, six hundred forty-two million, one hundred ninety-nine thousand, two hundred eighty-five".