243402023 has 8 divisors (see below), whose sum is σ = 248724000. Its totient is φ = 238107168.

The previous prime is 243402001. The next prime is 243402041. The reversal of 243402023 is 320204342.

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

It is a cyclic number.

It is not a de Polignac number, because 243402023 - 2¹² = 243397927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243401986 and 243402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243402043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11918 + ... + 25076.

It is an arithmetic number, because the mean of its divisors is an integer number (31090500).

Almost surely, 2^243402023 is an apocalyptic number.

243402023 is a deficient number, since it is larger than the sum of its proper divisors (5321977).

243402023 is a wasteful number, since it uses less digits than its factorization.

243402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243402023 is about 15601.3468328859. The cubic root of 243402023 is about 624.3690896310.

Adding to 243402023 its reverse (320204342), we get a palindrome (563606365).

The spelling of 243402023 in words is "two hundred forty-three million, four hundred two thousand, twenty-three".