23011342451 has 4 divisors (see below), whose sum is σ = 23015610000. Its totient is φ = 23007074904.

The previous prime is 23011342433. The next prime is 23011342463. The reversal of 23011342451 is 15424311032.

It is a happy number.

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 23011342451 - 2¹⁴ = 23011326067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23011342451.

It is not an unprimeable number, because it can be changed into a prime (23011372451) 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, 2125676 + ... + 2136473.

It is an arithmetic number, because the mean of its divisors is an integer number (5753902500).

Almost surely, 2^23011342451 is an apocalyptic number.

23011342451 is a deficient number, since it is larger than the sum of its proper divisors (4267549).

23011342451 is an equidigital number, since it uses as much as digits as its factorization.

23011342451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267548.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 23011342451 its reverse (15424311032), we get a palindrome (38435653483).

The spelling of 23011342451 in words is "twenty-three billion, eleven million, three hundred forty-two thousand, four hundred fifty-one".