23270332537 has 4 divisors (see below), whose sum is σ = 23360878836. Its totient is φ = 23179786240.

The previous prime is 23270332507. The next prime is 23270332543. The reversal of 23270332537 is 73523307232.

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 23145362496 + 124970041 = 152136^2 + 11179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23270332537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23270332496 and 23270332505.

It is not an unprimeable number, because it can be changed into a prime (23270332507) 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, 45272764 + ... + 45273277.

It is an arithmetic number, because the mean of its divisors is an integer number (5840219709).

Almost surely, 2^23270332537 is an apocalyptic number.

It is an amenable number.

23270332537 is a deficient number, since it is larger than the sum of its proper divisors (90546299).

23270332537 is an equidigital number, since it uses as much as digits as its factorization.

23270332537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90546298.

The product of its (nonzero) digits is 158760, while the sum is 37.

Adding to 23270332537 its reverse (73523307232), we get a palindrome (96793639769).

The spelling of 23270332537 in words is "twenty-three billion, two hundred seventy million, three hundred thirty-two thousand, five hundred thirty-seven".