353243231402 has 4 divisors (see below), whose sum is σ = 529864847106. Its totient is φ = 176621615700.

The previous prime is 353243231381. The next prime is 353243231417. The reversal of 353243231402 is 204132342353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204132342353 = 359 ⋅568613767.

It can be written as a sum of positive squares in only one way, i.e., 179478475201 + 173764756201 = 423649^2 + 416851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88310807849 + ... + 88310807852.

Almost surely, 2^353243231402 is an apocalyptic number.

353243231402 is a deficient number, since it is larger than the sum of its proper divisors (176621615704).

353243231402 is a wasteful number, since it uses less digits than its factorization.

353243231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176621615703.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 353243231402 its reverse (204132342353), we get a palindrome (557375573755).

The spelling of 353243231402 in words is "three hundred fifty-three billion, two hundred forty-three million, two hundred thirty-one thousand, four hundred two".