240513152523 has 16 divisors (see below), whose sum is σ = 366527352576. Its totient is φ = 137424417120.

The previous prime is 240513152497. The next prime is 240513152527. The reversal of 240513152523 is 325251315042.

It is not a de Polignac number, because 240513152523 - 2⁸ = 240513152267 is a prime.

It is a super-2 number, since 2×240513152523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240513152527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229908 + ... + 730673.

It is an arithmetic number, because the mean of its divisors is an integer number (22907959536).

Almost surely, 2^240513152523 is an apocalyptic number.

240513152523 is a deficient number, since it is larger than the sum of its proper divisors (126014200053).

240513152523 is a wasteful number, since it uses less digits than its factorization.

240513152523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972514.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 240513152523 its reverse (325251315042), we get a palindrome (565764467565).

The spelling of 240513152523 in words is "two hundred forty billion, five hundred thirteen million, one hundred fifty-two thousand, five hundred twenty-three".