23473451 has 2 divisors, whose sum is σ = 23473452. Its totient is φ = 23473450.

The previous prime is 23473433. The next prime is 23473453. The reversal of 23473451 is 15437432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23473451 - 2²² = 19279147 is a prime.

It is a Sophie Germain prime.

Together with 23473453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23473453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736725 + 11736726.

It is an arithmetic number, because the mean of its divisors is an integer number (11736726).

Almost surely, 2^23473451 is an apocalyptic number.

23473451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23473451 is an equidigital number, since it uses as much as digits as its factorization.

23473451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 23473451 is about 4844.9407633118. The cubic root of 23473451 is about 286.3248098745.

The spelling of 23473451 in words is "twenty-three million, four hundred seventy-three thousand, four hundred fifty-one".