23213832451 has 4 divisors (see below), whose sum is σ = 23234615872. Its totient is φ = 23193049032.

The previous prime is 23213832377. The next prime is 23213832493. The reversal of 23213832451 is 15423831232.

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 23213832451 - 2¹³ = 23213824259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213832251) 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, 10390035 + ... + 10392268.

It is an arithmetic number, because the mean of its divisors is an integer number (5808653968).

Almost surely, 2^23213832451 is an apocalyptic number.

23213832451 is a deficient number, since it is larger than the sum of its proper divisors (20783421).

23213832451 is a wasteful number, since it uses less digits than its factorization.

23213832451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20783420.

The product of its digits is 34560, while the sum is 34.

The spelling of 23213832451 in words is "twenty-three billion, two hundred thirteen million, eight hundred thirty-two thousand, four hundred fifty-one".