23122071737 has 4 divisors (see below), whose sum is σ = 23122376676. Its totient is φ = 23121766800.

The previous prime is 23122071727. The next prime is 23122071743. The reversal of 23122071737 is 73717022132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20051692816 + 3070378921 = 141604^2 + 55411^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122071737 - 2¹⁴ = 23122055353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23122071697 and 23122071706.

It is not an unprimeable number, because it can be changed into a prime (23122071727) 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 in 3 ways as a sum of consecutive naturals, for example, 59483 + ... + 223119.

It is an arithmetic number, because the mean of its divisors is an integer number (5780594169).

Almost surely, 2^23122071737 is an apocalyptic number.

It is an amenable number.

23122071737 is a deficient number, since it is larger than the sum of its proper divisors (304939).

23122071737 is a wasteful number, since it uses less digits than its factorization.

23122071737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304938.

The product of its (nonzero) digits is 24696, while the sum is 35.

Adding to 23122071737 its reverse (73717022132), we get a palindrome (96839093869).

The spelling of 23122071737 in words is "twenty-three billion, one hundred twenty-two million, seventy-one thousand, seven hundred thirty-seven".