523655642343 has 16 divisors (see below), whose sum is σ = 743705383680. Its totient is φ = 326600766336.

The previous prime is 523655642333. The next prime is 523655642351. The reversal of 523655642343 is 343246556325.

It is not a de Polignac number, because 523655642343 - 2²² = 523651448039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523655642292 and 523655642301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523655642333) 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, 30733273 + ... + 30750306.

It is an arithmetic number, because the mean of its divisors is an integer number (46481586480).

Almost surely, 2^523655642343 is an apocalyptic number.

523655642343 is a deficient number, since it is larger than the sum of its proper divisors (220049741337).

523655642343 is a wasteful number, since it uses less digits than its factorization.

523655642343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61483766.

The product of its digits is 7776000, while the sum is 48.

The spelling of 523655642343 in words is "five hundred twenty-three billion, six hundred fifty-five million, six hundred forty-two thousand, three hundred forty-three".