523042351 has 4 divisors (see below), whose sum is σ = 563276392. Its totient is φ = 482808312.

The previous prime is 523042327. The next prime is 523042433. The reversal of 523042351 is 153240325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523042351 - 2¹⁵ = 523009583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523042301) 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, 20117001 + ... + 20117026.

It is an arithmetic number, because the mean of its divisors is an integer number (140819098).

Almost surely, 2^523042351 is an apocalyptic number.

523042351 is a deficient number, since it is larger than the sum of its proper divisors (40234041).

523042351 is a wasteful number, since it uses less digits than its factorization.

523042351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40234040.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 523042351 is about 22870.1191732794. The cubic root of 523042351 is about 805.7103671313.

Adding to 523042351 its reverse (153240325), we get a palindrome (676282676).

It can be divided in two parts, 52 and 3042351, that added together give a palindrome (3042403).

The spelling of 523042351 in words is "five hundred twenty-three million, forty-two thousand, three hundred fifty-one".