240023401 has 8 divisors (see below), whose sum is σ = 248531400. Its totient is φ = 231530880.

The previous prime is 240023347. The next prime is 240023417. The reversal of 240023401 is 104320042.

It can be written as a sum of positive squares in 4 ways, for example, as 46785600 + 193237801 = 6840^2 + 13901^2 .

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 240023401 - 2²⁷ = 105805673 is a prime.

It is a super-2 number, since 2×240023401² = 115222466055213602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240023461) 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 7 ways as a sum of consecutive naturals, for example, 34171 + ... + 40591.

It is an arithmetic number, because the mean of its divisors is an integer number (31066425).

Almost surely, 2^240023401 is an apocalyptic number.

It is an amenable number.

240023401 is a deficient number, since it is larger than the sum of its proper divisors (8507999).

240023401 is a wasteful number, since it uses less digits than its factorization.

240023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240023401 is about 15492.6886304476. The cubic root of 240023401 is about 621.4666984088.

Adding to 240023401 its reverse (104320042), we get a palindrome (344343443).

The spelling of 240023401 in words is "two hundred forty million, twenty-three thousand, four hundred one".