240221023 has 8 divisors (see below), whose sum is σ = 275081760. Its totient is φ = 205496160.

The previous prime is 240221021. The next prime is 240221071. The reversal of 240221023 is 320122042.

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 240221023 - 2¹ = 240221021 is a prime.

It is a super-2 number, since 2×240221023² = 115412279782333058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240220988 and 240221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240221021) 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, 30148 + ... + 37273.

It is an arithmetic number, because the mean of its divisors is an integer number (34385220).

Almost surely, 2^240221023 is an apocalyptic number.

240221023 is a deficient number, since it is larger than the sum of its proper divisors (34860737).

240221023 is an equidigital number, since it uses as much as digits as its factorization.

240221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67937.

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

The square root of 240221023 is about 15499.0652298776. The cubic root of 240221023 is about 621.6372120618.

Adding to 240221023 its reverse (320122042), we get a palindrome (560343065).

The spelling of 240221023 in words is "two hundred forty million, two hundred twenty-one thousand, twenty-three".