23624042137 has 4 divisors (see below), whose sum is σ = 23662331316. Its totient is φ = 23585752960.

The previous prime is 23624042041. The next prime is 23624042159. The reversal of 23624042137 is 73124042632.

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 10310574681 + 13313467456 = 101541^2 + 115384^2 .

It is a cyclic number.

It is not a de Polignac number, because 23624042137 - 2⁷ = 23624042009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23624042737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19143664 + ... + 19144897.

It is an arithmetic number, because the mean of its divisors is an integer number (5915582829).

Almost surely, 2^23624042137 is an apocalyptic number.

It is an amenable number.

23624042137 is a deficient number, since it is larger than the sum of its proper divisors (38289179).

23624042137 is an equidigital number, since it uses as much as digits as its factorization.

23624042137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38289178.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 23624042137 its reverse (73124042632), we get a palindrome (96748084769).

The spelling of 23624042137 in words is "twenty-three billion, six hundred twenty-four million, forty-two thousand, one hundred thirty-seven".