240536123 has 2 divisors, whose sum is σ = 240536124. Its totient is φ = 240536122.

The previous prime is 240536071. The next prime is 240536129. The reversal of 240536123 is 321635042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240536123 - 2⁶ = 240536059 is a prime.

It is a super-2 number, since 2×240536123² = 115715252935742258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240536092 and 240536101.

It is not a weakly prime, because it can be changed into another prime (240536129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120268061 + 120268062.

It is an arithmetic number, because the mean of its divisors is an integer number (120268062).

Almost surely, 2^240536123 is an apocalyptic number.

240536123 is a deficient number, since it is larger than the sum of its proper divisors (1).

240536123 is an equidigital number, since it uses as much as digits as its factorization.

240536123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 240536123 is about 15509.2270278051. The cubic root of 240536123 is about 621.9088956147.

The spelling of 240536123 in words is "two hundred forty million, five hundred thirty-six thousand, one hundred twenty-three".