234120105515455 has 16 divisors (see below), whose sum is σ = 281182715807904. Its totient is φ = 187137082316800.

The previous prime is 234120105515449. The next prime is 234120105515459. The reversal of 234120105515455 is 554515501021432.

It is not a de Polignac number, because 234120105515455 - 2⁹ = 234120105514943 is a prime.

It is a super-2 number, since 2×234120105515455² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234120105515459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29093259 + ... + 36258211.

It is an arithmetic number, because the mean of its divisors is an integer number (17573919737994).

Almost surely, 2^{234120105515455} is an apocalyptic number.

234120105515455 is a deficient number, since it is larger than the sum of its proper divisors (47062610292449).

234120105515455 is a wasteful number, since it uses less digits than its factorization.

234120105515455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170506.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 234120105515455 its reverse (554515501021432), we get a palindrome (788635606536887).

The spelling of 234120105515455 in words is "two hundred thirty-four trillion, one hundred twenty billion, one hundred five million, five hundred fifteen thousand, four hundred fifty-five".