23131012201 has 4 divisors (see below), whose sum is σ = 25233831504. Its totient is φ = 21028192900.

The previous prime is 23131012193. The next prime is 23131012211. The reversal of 23131012201 is 10221013132.

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 not a de Polignac number, because 23131012201 - 2³ = 23131012193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131012211) 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, 1051409635 + ... + 1051409656.

It is an arithmetic number, because the mean of its divisors is an integer number (6308457876).

Almost surely, 2^23131012201 is an apocalyptic number.

It is an amenable number.

23131012201 is a deficient number, since it is larger than the sum of its proper divisors (2102819303).

23131012201 is a wasteful number, since it uses less digits than its factorization.

23131012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102819302.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23131012201 its reverse (10221013132), we get a palindrome (33352025333).

The spelling of 23131012201 in words is "twenty-three billion, one hundred thirty-one million, twelve thousand, two hundred one".