240315414523243 has 4 divisors (see below), whose sum is σ = 240317557190568. Its totient is φ = 240313271855920.

The previous prime is 240315414523199. The next prime is 240315414523271. The reversal of 240315414523243 is 342325414513042.

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-240315414523243 is a prime.

It is a super-2 number, since 2×240315414523243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240315414523243.

It is not an unprimeable number, because it can be changed into a prime (240315414523343) 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, 1071165418 + ... + 1071389743.

It is an arithmetic number, because the mean of its divisors is an integer number (60079389297642).

Almost surely, 2^{240315414523243} is an apocalyptic number.

240315414523243 is a deficient number, since it is larger than the sum of its proper divisors (2142667325).

240315414523243 is a wasteful number, since it uses less digits than its factorization.

240315414523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142667324.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 240315414523243 in words is "two hundred forty trillion, three hundred fifteen billion, four hundred fourteen million, five hundred twenty-three thousand, two hundred forty-three".