23130201421 has 4 divisors (see below), whose sum is σ = 23251302144. Its totient is φ = 23009100700.

The previous prime is 23130201401. The next prime is 23130201433. The reversal of 23130201421 is 12410203132.

It is a happy number.

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 23130201421 - 2⁹ = 23130200909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130201401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60550075 + ... + 60550456.

It is an arithmetic number, because the mean of its divisors is an integer number (5812825536).

Almost surely, 2^23130201421 is an apocalyptic number.

It is an amenable number.

23130201421 is a deficient number, since it is larger than the sum of its proper divisors (121100723).

23130201421 is a wasteful number, since it uses less digits than its factorization.

23130201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121100722.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23130201421 its reverse (12410203132), we get a palindrome (35540404553).

The spelling of 23130201421 in words is "twenty-three billion, one hundred thirty million, two hundred one thousand, four hundred twenty-one".