234312203545 has 12 divisors (see below), whose sum is σ = 327080708964. Its totient is φ = 160671225120.

The previous prime is 234312203539. The next prime is 234312203557. The reversal of 234312203545 is 545302213432.

234312203545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142561370329 + 91750833216 = 377573^2 + 302904^2 .

It is not a de Polignac number, because 234312203545 - 2⁹ = 234312203033 is a prime.

It is a super-2 number, since 2×234312203545² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234312203545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478187926 + ... + 478188415.

It is an arithmetic number, because the mean of its divisors is an integer number (27256725747).

Almost surely, 2^234312203545 is an apocalyptic number.

It is an amenable number.

234312203545 is a deficient number, since it is larger than the sum of its proper divisors (92768505419).

234312203545 is an equidigital number, since it uses as much as digits as its factorization.

234312203545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956376360 (or 956376353 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 234312203545 its reverse (545302213432), we get a palindrome (779614416977).

The spelling of 234312203545 in words is "two hundred thirty-four billion, three hundred twelve million, two hundred three thousand, five hundred forty-five".