240023263 has 2 divisors, whose sum is σ = 240023264. Its totient is φ = 240023262.

The previous prime is 240023243. The next prime is 240023281. The reversal of 240023263 is 362320042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240023263 is a prime.

It is a super-2 number, since 2×240023263² = 115222333562334338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240023213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120011631 + 120011632.

It is an arithmetic number, because the mean of its divisors is an integer number (120011632).

Almost surely, 2^240023263 is an apocalyptic number.

240023263 is a deficient number, since it is larger than the sum of its proper divisors (1).

240023263 is an equidigital number, since it uses as much as digits as its factorization.

240023263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 240023263 is about 15492.6841767332. The cubic root of 240023263 is about 621.4665793059.

The spelling of 240023263 in words is "two hundred forty million, twenty-three thousand, two hundred sixty-three".