234405454523 has 8 divisors (see below), whose sum is σ = 245571492096. Its totient is φ = 223320625000.

The previous prime is 234405454519. The next prime is 234405454529. The reversal of 234405454523 is 325454504432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234405454523 - 2² = 234405454519 is a prime.

It is a super-2 number, since 2×234405454523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234405454529) 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, 20296103 + ... + 20307648.

It is an arithmetic number, because the mean of its divisors is an integer number (30696436512).

Almost surely, 2^234405454523 is an apocalyptic number.

234405454523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

234405454523 is a deficient number, since it is larger than the sum of its proper divisors (11166037573).

234405454523 is a wasteful number, since it uses less digits than its factorization.

234405454523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40604025.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 234405454523 its reverse (325454504432), we get a palindrome (559859958955).

The spelling of 234405454523 in words is "two hundred thirty-four billion, four hundred five million, four hundred fifty-four thousand, five hundred twenty-three".