23430394 has 8 divisors (see below), whose sum is σ = 37849140. Its totient is φ = 10814016.

The previous prime is 23430391. The next prime is 23430397. The reversal of 23430394 is 49303432.

It is an interprime number because it is at equal distance from previous prime (23430391) and next prime (23430397).

It can be written as a sum of positive squares in 2 ways, for example, as 23280625 + 149769 = 4825^2 + 387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23430391) 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 in 3 ways as a sum of consecutive naturals, for example, 450559 + ... + 450610.

Almost surely, 2^23430394 is an apocalyptic number.

23430394 is a deficient number, since it is larger than the sum of its proper divisors (14418746).

23430394 is a wasteful number, since it uses less digits than its factorization.

23430394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901184.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 23430394 is about 4840.4952225986. The cubic root of 23430394 is about 286.1496356192.

It can be divided in two parts, 234 and 30394, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 23430394 in words is "twenty-three million, four hundred thirty thousand, three hundred ninety-four".