523507407234 has 16 divisors (see below), whose sum is σ = 1196588359488. Its totient is φ = 149573544912.

The previous prime is 523507407187. The next prime is 523507407253. The reversal of 523507407234 is 432704705325.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 12464462077 = 523507407234 / (5 + 2 + 3 + 5 + 0 + 7 + 4 + 0 + 7 + 2 + 3 + 4).

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, 6232230997 + ... + 6232231080.

It is an arithmetic number, because the mean of its divisors is an integer number (74786772468).

Almost surely, 2^523507407234 is an apocalyptic number.

523507407234 is an abundant number, since it is smaller than the sum of its proper divisors (673080952254).

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

523507407234 is a wasteful number, since it uses less digits than its factorization.

523507407234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464462089.

The product of its (nonzero) digits is 705600, while the sum is 42.

The spelling of 523507407234 in words is "five hundred twenty-three billion, five hundred seven million, four hundred seven thousand, two hundred thirty-four".