23003043451 has 4 divisors (see below), whose sum is σ = 24356163672. Its totient is φ = 21649923232.

The previous prime is 23003043421. The next prime is 23003043467. The reversal of 23003043451 is 15434030032.

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

It is not a de Polignac number, because 23003043451 - 2⁹ = 23003042939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23003043421) 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, 676560085 + ... + 676560118.

It is an arithmetic number, because the mean of its divisors is an integer number (6089040918).

Almost surely, 2^23003043451 is an apocalyptic number.

23003043451 is a deficient number, since it is larger than the sum of its proper divisors (1353120221).

23003043451 is a wasteful number, since it uses less digits than its factorization.

23003043451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353120220.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23003043451 its reverse (15434030032), we get a palindrome (38437073483).

The spelling of 23003043451 in words is "twenty-three billion, three million, forty-three thousand, four hundred fifty-one".