243400119 has 8 divisors (see below), whose sum is σ = 325881072. Its totient is φ = 161592960.

The previous prime is 243400117. The next prime is 243400121. The reversal of 243400119 is 911004342.

It is an interprime number because it is at equal distance from previous prime (243400117) and next prime (243400121).

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

It is not a de Polignac number, because 243400119 - 2¹ = 243400117 is a prime.

It is a super-2 number, since 2×243400119² = 118487235858428322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243400111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167604 + ... + 169049.

It is an arithmetic number, because the mean of its divisors is an integer number (40735134).

Almost surely, 2^243400119 is an apocalyptic number.

243400119 is a deficient number, since it is larger than the sum of its proper divisors (82480953).

243400119 is a wasteful number, since it uses less digits than its factorization.

243400119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336897.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 243400119 is about 15601.2858123938. The cubic root of 243400119 is about 624.3674615949.

The spelling of 243400119 in words is "two hundred forty-three million, four hundred thousand, one hundred nineteen".