242551140023 has 8 divisors (see below), whose sum is σ = 260651972592. Its totient is φ = 224876209536.

The previous prime is 242551139993. The next prime is 242551140037. The reversal of 242551140023 is 320041155242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242551140023 - 2¹² = 242551135927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242551148023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106474340 + ... + 106476617.

It is an arithmetic number, because the mean of its divisors is an integer number (32581496574).

Almost surely, 2^242551140023 is an apocalyptic number.

242551140023 is a deficient number, since it is larger than the sum of its proper divisors (18100832569).

242551140023 is a wasteful number, since it uses less digits than its factorization.

242551140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212951041.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 242551140023 its reverse (320041155242), we get a palindrome (562592295265).

The spelling of 242551140023 in words is "two hundred forty-two billion, five hundred fifty-one million, one hundred forty thousand, twenty-three".