23012231221131 has 8 divisors (see below), whose sum is σ = 30696789907344. Its totient is φ = 15334580007840.

The previous prime is 23012231221087. The next prime is 23012231221151. The reversal of 23012231221131 is 13112213221032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23012231221131 - 2¹⁰ = 23012231220107 is a prime.

It is a super-2 number, since 2×23012231221131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23012231221151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726860456 + ... + 1726873781.

It is an arithmetic number, because the mean of its divisors is an integer number (3837098738418).

Almost surely, 2^{23012231221131} is an apocalyptic number.

23012231221131 is a deficient number, since it is larger than the sum of its proper divisors (7684558686213).

23012231221131 is a wasteful number, since it uses less digits than its factorization.

23012231221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453736461.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23012231221131 its reverse (13112213221032), we get a palindrome (36124444442163).

The spelling of 23012231221131 in words is "twenty-three trillion, twelve billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred thirty-one".