434011320423 has 8 divisors (see below), whose sum is σ = 642979734000. Its totient is φ = 289340880264.

The previous prime is 434011320409. The next prime is 434011320469. The reversal of 434011320423 is 324023110434.

434011320423 is a `hidden beast` number, since 4 + 340 + 113 + 204 + 2 + 3 = 666.

It is not a de Polignac number, because 434011320423 - 2⁶ = 434011320359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16074493349 = 434011320423 / (4 + 3 + 4 + 0 + 1 + 1 + 3 + 2 + 0 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434011320473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037246648 + ... + 8037246701.

It is an arithmetic number, because the mean of its divisors is an integer number (80372466750).

Almost surely, 2^434011320423 is an apocalyptic number.

434011320423 is a deficient number, since it is larger than the sum of its proper divisors (208968413577).

434011320423 is a wasteful number, since it uses less digits than its factorization.

434011320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074493358 (or 16074493352 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 434011320423 its reverse (324023110434), we get a palindrome (758034430857).

The spelling of 434011320423 in words is "four hundred thirty-four billion, eleven million, three hundred twenty thousand, four hundred twenty-three".