23311141021 has 32 divisors (see below), whose sum is σ = 29946470400. Its totient is φ = 17686952640.

The previous prime is 23311141001. The next prime is 23311141031. The reversal of 23311141021 is 12014111332.

It is not a de Polignac number, because 23311141021 - 2⁵ = 23311140989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 23311141021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311141001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22086 + ... + 217048.

It is an arithmetic number, because the mean of its divisors is an integer number (935827200).

Almost surely, 2^23311141021 is an apocalyptic number.

It is an amenable number.

23311141021 is a deficient number, since it is larger than the sum of its proper divisors (6635329379).

23311141021 is a wasteful number, since it uses less digits than its factorization.

23311141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195049.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23311141021 its reverse (12014111332), we get a palindrome (35325252353).

The spelling of 23311141021 in words is "twenty-three billion, three hundred eleven million, one hundred forty-one thousand, twenty-one".