523423734 has 16 divisors (see below), whose sum is σ = 1047306288. Its totient is φ = 174398112.

The previous prime is 523423721. The next prime is 523423741. The reversal of 523423734 is 437324325.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523423695 and 523423704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277 + ... + 32520.

It is an arithmetic number, because the mean of its divisors is an integer number (65456643).

Almost surely, 2^523423734 is an apocalyptic number.

523423734 is an abundant number, since it is smaller than the sum of its proper divisors (523882554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523423734 is a wasteful number, since it uses less digits than its factorization.

523423734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38239.

The product of its digits is 60480, while the sum is 33.

The square root of 523423734 is about 22878.4556734059. The cubic root of 523423734 is about 805.9061508824.

The spelling of 523423734 in words is "five hundred twenty-three million, four hundred twenty-three thousand, seven hundred thirty-four".