523430134000 has 40 divisors (see below), whose sum is σ = 1265654068848. Its totient is φ = 209372052800.

The previous prime is 523430133997. The next prime is 523430134063. The reversal of 523430134000 is 431034325.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 130855534 + ... + 130859533.

Almost surely, 2^523430134000 is an apocalyptic number.

523430134000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

523430134000 is an abundant number, since it is smaller than the sum of its proper divisors (742223934848).

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

523430134000 is a wasteful number, since it uses less digits than its factorization.

523430134000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261715090 (or 261715074 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 523430134000 its reverse (431034325), we get a palindrome (523861168325).

The spelling of 523430134000 in words is "five hundred twenty-three billion, four hundred thirty million, one hundred thirty-four thousand".