523424656545 has 16 divisors (see below), whose sum is σ = 957119372160. Its totient is φ = 239279842944.

The previous prime is 523424656541. The next prime is 523424656561. The reversal of 523424656545 is 545656424325.

It is not a de Polignac number, because 523424656545 - 2² = 523424656541 is a prime.

It is a super-2 number, since 2×523424656545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523424656541) 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, 2492498260 + ... + 2492498469.

It is an arithmetic number, because the mean of its divisors is an integer number (59819960760).

Almost surely, 2^523424656545 is an apocalyptic number.

It is an amenable number.

523424656545 is a deficient number, since it is larger than the sum of its proper divisors (433694715615).

523424656545 is a wasteful number, since it uses less digits than its factorization.

523424656545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984996744.

The product of its digits is 17280000, while the sum is 51.

The spelling of 523424656545 in words is "five hundred twenty-three billion, four hundred twenty-four million, six hundred fifty-six thousand, five hundred forty-five".