354401240142543 has 8 divisors (see below), whose sum is σ = 515492712934656. Its totient is φ = 214788630389400.

The previous prime is 354401240142539. The next prime is 354401240142559. The reversal of 354401240142543 is 345241042104453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354401240142543 - 2² = 354401240142539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354401240142495 and 354401240142504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354401240142043) 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 7 ways as a sum of consecutive naturals, for example, 5369715759703 + ... + 5369715759768.

It is an arithmetic number, because the mean of its divisors is an integer number (64436589116832).

Almost surely, 2^{354401240142543} is an apocalyptic number.

354401240142543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

354401240142543 is a deficient number, since it is larger than the sum of its proper divisors (161091472792113).

354401240142543 is a wasteful number, since it uses less digits than its factorization.

354401240142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739431519485.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 354401240142543 its reverse (345241042104453), we get a palindrome (699642282246996).

The spelling of 354401240142543 in words is "three hundred fifty-four trillion, four hundred one billion, two hundred forty million, one hundred forty-two thousand, five hundred forty-three".