53423240343 has 12 divisors (see below), whose sum is σ = 78295217784. Its totient is φ = 32377721200.

The previous prime is 53423240341. The next prime is 53423240347. The reversal of 53423240343 is 34304232435.

53423240343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53423240343 - 2¹ = 53423240341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53423240341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73585368 + ... + 73586093.

It is an arithmetic number, because the mean of its divisors is an integer number (6524601482).

Almost surely, 2^53423240343 is an apocalyptic number.

53423240343 is a deficient number, since it is larger than the sum of its proper divisors (24871977441).

53423240343 is a wasteful number, since it uses less digits than its factorization.

53423240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147171486 (or 147171475 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 53423240343 its reverse (34304232435), we get a palindrome (87727472778).

The spelling of 53423240343 in words is "fifty-three billion, four hundred twenty-three million, two hundred forty thousand, three hundred forty-three".