240423255 has 32 divisors (see below), whose sum is σ = 446008320. Its totient is φ = 122649120.

The previous prime is 240423247. The next prime is 240423263. The reversal of 240423255 is 552324042.

It is a happy number.

240423255 is a `hidden beast` number, since 2 + 404 + 2 + 3 + 255 = 666.

240423255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240423247) and next prime (240423263).

It is not a de Polignac number, because 240423255 - 2³ = 240423247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35611 + ... + 41820.

It is an arithmetic number, because the mean of its divisors is an integer number (13937760).

Almost surely, 2^240423255 is an apocalyptic number.

240423255 is a deficient number, since it is larger than the sum of its proper divisors (205585065).

240423255 is a wasteful number, since it uses less digits than its factorization.

240423255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77468 (or 77462 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 240423255 is about 15505.5878637348. The cubic root of 240423255 is about 621.8116065612.

Adding to 240423255 its reverse (552324042), we get a palindrome (792747297).

The spelling of 240423255 in words is "two hundred forty million, four hundred twenty-three thousand, two hundred fifty-five".