23113405452021 has 32 divisors (see below), whose sum is σ = 34090890225408. Its totient is φ = 13855087150080.

The previous prime is 23113405452013. The next prime is 23113405452047. The reversal of 23113405452021 is 12025450431132.

It is not a de Polignac number, because 23113405452021 - 2³ = 23113405452013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113405452121) 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, 11037286 + ... + 12963351.

It is an arithmetic number, because the mean of its divisors is an integer number (1065340319544).

Almost surely, 2^{23113405452021} is an apocalyptic number.

It is an amenable number.

23113405452021 is a deficient number, since it is larger than the sum of its proper divisors (10977484773387).

23113405452021 is a wasteful number, since it uses less digits than its factorization.

23113405452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24001501.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 23113405452021 its reverse (12025450431132), we get a palindrome (35138855883153).

The spelling of 23113405452021 in words is "twenty-three trillion, one hundred thirteen billion, four hundred five million, four hundred fifty-two thousand, twenty-one".