23130421107 has 4 divisors (see below), whose sum is σ = 30840561480. Its totient is φ = 15420280736.

The previous prime is 23130421103. The next prime is 23130421121. The reversal of 23130421107 is 70112403132.

It is a happy number.

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 23130421107 - 2² = 23130421103 is a prime.

It is a super-2 number, since 2×23130421107² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23130421103) 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, 3855070182 + ... + 3855070187.

It is an arithmetic number, because the mean of its divisors is an integer number (7710140370).

Almost surely, 2^23130421107 is an apocalyptic number.

23130421107 is a deficient number, since it is larger than the sum of its proper divisors (7710140373).

23130421107 is an equidigital number, since it uses as much as digits as its factorization.

23130421107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710140372.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 23130421107 its reverse (70112403132), we get a palindrome (93242824239).

The spelling of 23130421107 in words is "twenty-three billion, one hundred thirty million, four hundred twenty-one thousand, one hundred seven".