23155473037 has 4 divisors (see below), whose sum is σ = 23165900956. Its totient is φ = 23145045120.

The previous prime is 23155473007. The next prime is 23155473079. The reversal of 23155473037 is 73037455132.

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 7782944841 + 15372528196 = 88221^2 + 123986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23155473037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155473007) 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, 5210628 + ... + 5215069.

It is an arithmetic number, because the mean of its divisors is an integer number (5791475239).

Almost surely, 2^23155473037 is an apocalyptic number.

It is an amenable number.

23155473037 is a deficient number, since it is larger than the sum of its proper divisors (10427919).

23155473037 is a wasteful number, since it uses less digits than its factorization.

23155473037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427918.

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 23155473037 in words is "twenty-three billion, one hundred fifty-five million, four hundred seventy-three thousand, thirty-seven".