23049403 has 12 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 20538336.

The previous prime is 23049379. The next prime is 23049437. The reversal of 23049403 is 30494032.

It is not a de Polignac number, because 23049403 - 2⁵ = 23049371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23049463) 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 11 ways as a sum of consecutive naturals, for example, 2550 + ... + 7252.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^23049403 is an apocalyptic number.

23049403 is a deficient number, since it is larger than the sum of its proper divisors (2775557).

23049403 is a wasteful number, since it uses less digits than its factorization.

23049403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23049403 is about 4800.9793792517. The cubic root of 23049403 is about 284.5901691264.

The spelling of 23049403 in words is "twenty-three million, forty-nine thousand, four hundred three".