23506747007 has 4 divisors (see below), whose sum is σ = 24317324520. Its totient is φ = 22696169496.

The previous prime is 23506747003. The next prime is 23506747067. The reversal of 23506747007 is 70074760532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23506747007 - 2² = 23506747003 is a prime.

It is a super-2 number, since 2×23506747007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506747001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405288713 + ... + 405288770.

It is an arithmetic number, because the mean of its divisors is an integer number (6079331130).

Almost surely, 2^23506747007 is an apocalyptic number.

23506747007 is a deficient number, since it is larger than the sum of its proper divisors (810577513).

23506747007 is an equidigital number, since it uses as much as digits as its factorization.

23506747007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810577512.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 23506747007 in words is "twenty-three billion, five hundred six million, seven hundred forty-seven thousand, seven".