23677406537 has 4 divisors (see below), whose sum is σ = 23703398016. Its totient is φ = 23651415060.

The previous prime is 23677406531. The next prime is 23677406551. The reversal of 23677406537 is 73560477632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23677406537 - 2¹⁰ = 23677405513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23677406531) 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, 12994373 + ... + 12996194.

It is an arithmetic number, because the mean of its divisors is an integer number (5925849504).

Almost surely, 2^23677406537 is an apocalyptic number.

It is an amenable number.

23677406537 is a deficient number, since it is larger than the sum of its proper divisors (25991479).

23677406537 is an equidigital number, since it uses as much as digits as its factorization.

23677406537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25991478.

The product of its (nonzero) digits is 4445280, while the sum is 50.

The spelling of 23677406537 in words is "twenty-three billion, six hundred seventy-seven million, four hundred six thousand, five hundred thirty-seven".