234320023431 has 24 divisors (see below), whose sum is σ = 365222553696. Its totient is φ = 143910227520.

The previous prime is 234320023397. The next prime is 234320023477. The reversal of 234320023431 is 134320023432.

234320023431 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 200 + 23 + 431 = 666.

It is not a de Polignac number, because 234320023431 - 2⁷ = 234320023303 is a prime.

It is a super-2 number, since 2×234320023431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234320023395 and 234320023404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234320023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1931940 + ... + 2049641.

It is an arithmetic number, because the mean of its divisors is an integer number (15217606404).

Almost surely, 2^234320023431 is an apocalyptic number.

234320023431 is a deficient number, since it is larger than the sum of its proper divisors (130902530265).

234320023431 is a wasteful number, since it uses less digits than its factorization.

234320023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982103 (or 3982100 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 234320023431 its reverse (134320023432), we get a palindrome (368640046863).

Subtracting from 234320023431 its reverse (134320023432), we obtain a palindrome (99999999999).

The spelling of 234320023431 in words is "two hundred thirty-four billion, three hundred twenty million, twenty-three thousand, four hundred thirty-one".