23273681451 has 4 divisors (see below), whose sum is σ = 31031575272. Its totient is φ = 15515787632.

The previous prime is 23273681407. The next prime is 23273681567. The reversal of 23273681451 is 15418637232.

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 23273681451 - 2⁹ = 23273680939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23273681051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878946906 + ... + 3878946911.

It is an arithmetic number, because the mean of its divisors is an integer number (7757893818).

Almost surely, 2^23273681451 is an apocalyptic number.

23273681451 is a deficient number, since it is larger than the sum of its proper divisors (7757893821).

23273681451 is an equidigital number, since it uses as much as digits as its factorization.

23273681451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757893820.

The product of its digits is 241920, while the sum is 42.

The spelling of 23273681451 in words is "twenty-three billion, two hundred seventy-three million, six hundred eighty-one thousand, four hundred fifty-one".