242746623 has 48 divisors (see below), whose sum is σ = 420526080. Its totient is φ = 131928192.

The previous prime is 242746619. The next prime is 242746639. The reversal of 242746623 is 326647242.

242746623 is a `hidden beast` number, since 2 + 4 + 27 + 4 + 6 + 623 = 666.

It is not a de Polignac number, because 242746623 - 2² = 242746619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242746613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337258 + ... + 337976.

It is an arithmetic number, because the mean of its divisors is an integer number (8760960).

Almost surely, 2^242746623 is an apocalyptic number.

242746623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

242746623 is a deficient number, since it is larger than the sum of its proper divisors (177779457).

242746623 is a wasteful number, since it uses less digits than its factorization.

242746623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 985 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 242746623 is about 15580.3280774187. The cubic root of 242746623 is about 623.8081803769.

The spelling of 242746623 in words is "two hundred forty-two million, seven hundred forty-six thousand, six hundred twenty-three".