23451453433211 has 4 divisors (see below), whose sum is σ = 23801475126312. Its totient is φ = 23101431740112.

The previous prime is 23451453433139. The next prime is 23451453433267. The reversal of 23451453433211 is 11233435415432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23451453433211 - 2¹⁸ = 23451453171067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23451453433271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175010846450 + ... + 175010846583.

It is an arithmetic number, because the mean of its divisors is an integer number (5950368781578).

Almost surely, 2^{23451453433211} is an apocalyptic number.

23451453433211 is a deficient number, since it is larger than the sum of its proper divisors (350021693101).

23451453433211 is an equidigital number, since it uses as much as digits as its factorization.

23451453433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350021693100.

The product of its digits is 518400, while the sum is 41.

Adding to 23451453433211 its reverse (11233435415432), we get a palindrome (34684888848643).

The spelling of 23451453433211 in words is "twenty-three trillion, four hundred fifty-one billion, four hundred fifty-three million, four hundred thirty-three thousand, two hundred eleven".