242806623 has 16 divisors (see below), whose sum is σ = 329782656. Its totient is φ = 158876640.

The previous prime is 242806609. The next prime is 242806673. The reversal of 242806623 is 326608242.

It is not a de Polignac number, because 242806623 - 2⁵ = 242806591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242806673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35988 + ... + 42198.

It is an arithmetic number, because the mean of its divisors is an integer number (20611416).

Almost surely, 2^242806623 is an apocalyptic number.

242806623 is a deficient number, since it is larger than the sum of its proper divisors (86976033).

242806623 is a wasteful number, since it uses less digits than its factorization.

242806623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 242806623 is about 15582.2534634757. The cubic root of 242806623 is about 623.8595719706.

It can be divided in two parts, 24280 and 6623, that added together give a palindrome (30903).

The spelling of 242806623 in words is "two hundred forty-two million, eight hundred six thousand, six hundred twenty-three".