242761240723 has 4 divisors (see below), whose sum is σ = 242764122160. Its totient is φ = 242758359288.

The previous prime is 242761240703. The next prime is 242761240727. The reversal of 242761240723 is 327042167242.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242761240723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242761240727) 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, 1310415 + ... + 1484152.

It is an arithmetic number, because the mean of its divisors is an integer number (60691030540).

Almost surely, 2^242761240723 is an apocalyptic number.

242761240723 is a deficient number, since it is larger than the sum of its proper divisors (2881437).

242761240723 is an equidigital number, since it uses as much as digits as its factorization.

242761240723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881436.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 242761240723 in words is "two hundred forty-two billion, seven hundred sixty-one million, two hundred forty thousand, seven hundred twenty-three".