234511420436 has 12 divisors (see below), whose sum is σ = 410398781940. Its totient is φ = 117254625600.

The previous prime is 234511420397. The next prime is 234511420453. The reversal of 234511420436 is 634024115432.

It can be written as a sum of positive squares in 2 ways, for example, as 118271336836 + 116240083600 = 343906^2 + 340940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 234511420396 and 234511420405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399800 + ... + 793008.

It is an arithmetic number, because the mean of its divisors is an integer number (34199898495).

Almost surely, 2^234511420436 is an apocalyptic number.

It is an amenable number.

234511420436 is a deficient number, since it is larger than the sum of its proper divisors (175887361504).

234511420436 is a wasteful number, since it uses less digits than its factorization.

234511420436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542314 (or 542312 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 234511420436 its reverse (634024115432), we get a palindrome (868535535868).

The spelling of 234511420436 in words is "two hundred thirty-four billion, five hundred eleven million, four hundred twenty thousand, four hundred thirty-six".