234454134421 has 8 divisors (see below), whose sum is σ = 253148313600. Its totient is φ = 215854133232.

The previous prime is 234454134371. The next prime is 234454134463. The reversal of 234454134421 is 124431454432.

It is a happy number.

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 234454134421 - 2⁹ = 234454133909 is a prime.

It is a super-2 number, since 2×234454134421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234454734421) 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, 23539321 + ... + 23549278.

It is an arithmetic number, because the mean of its divisors is an integer number (31643539200).

Almost surely, 2^234454134421 is an apocalyptic number.

It is an amenable number.

234454134421 is a deficient number, since it is larger than the sum of its proper divisors (18694179179).

234454134421 is a wasteful number, since it uses less digits than its factorization.

234454134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47088995.

The product of its digits is 184320, while the sum is 37.

Adding to 234454134421 its reverse (124431454432), we get a palindrome (358885588853).

The spelling of 234454134421 in words is "two hundred thirty-four billion, four hundred fifty-four million, one hundred thirty-four thousand, four hundred twenty-one".