242650623 has 4 divisors (see below), whose sum is σ = 323534168. Its totient is φ = 161767080.

The previous prime is 242650607. The next prime is 242650649. The reversal of 242650623 is 326056242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242650623 - 2⁴ = 242650607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242650693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40441768 + ... + 40441773.

It is an arithmetic number, because the mean of its divisors is an integer number (80883542).

Almost surely, 2^242650623 is an apocalyptic number.

242650623 is a deficient number, since it is larger than the sum of its proper divisors (80883545).

242650623 is an equidigital number, since it uses as much as digits as its factorization.

242650623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80883544.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 242650623 is about 15577.2469647239. The cubic root of 242650623 is about 623.7259362098.

The spelling of 242650623 in words is "two hundred forty-two million, six hundred fifty thousand, six hundred twenty-three".