234153708381 has 6 divisors (see below), whose sum is σ = 338222023230. Its totient is φ = 156102472248.

The previous prime is 234153708359. The next prime is 234153708389. The reversal of 234153708381 is 183807351432.

234153708381 is a `hidden beast` number, since 2 + 34 + 1 + 537 + 0 + 8 + 3 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 182892220281 + 51261488100 = 427659^2 + 226410^2 .

It is not a de Polignac number, because 234153708381 - 2⁶ = 234153708317 is a prime.

It is a super-2 number, since 2×234153708381² (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 (234153708389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13008539346 + ... + 13008539363.

It is an arithmetic number, because the mean of its divisors is an integer number (56370337205).

Almost surely, 2^234153708381 is an apocalyptic number.

It is an amenable number.

234153708381 is a deficient number, since it is larger than the sum of its proper divisors (104068314849).

234153708381 is a wasteful number, since it uses less digits than its factorization.

234153708381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26017078715 (or 26017078712 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 234153708381 in words is "two hundred thirty-four billion, one hundred fifty-three million, seven hundred eight thousand, three hundred eighty-one".