23100398007 has 4 divisors (see below), whose sum is σ = 30800530680. Its totient is φ = 15400265336.

The previous prime is 23100398003. The next prime is 23100398029. The reversal of 23100398007 is 70089300132.

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 23100398007 - 2² = 23100398003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100398003) 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, 3850066332 + ... + 3850066337.

It is an arithmetic number, because the mean of its divisors is an integer number (7700132670).

Almost surely, 2^23100398007 is an apocalyptic number.

23100398007 is a deficient number, since it is larger than the sum of its proper divisors (7700132673).

23100398007 is an equidigital number, since it uses as much as digits as its factorization.

23100398007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700132672.

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 23100398007 its reverse (70089300132), we get a palindrome (93189698139).

The spelling of 23100398007 in words is "twenty-three billion, one hundred million, three hundred ninety-eight thousand, seven".