203423111022342 has 32 divisors (see below), whose sum is σ = 411047259558624. Its totient is φ = 67108095648000.

The previous prime is 203423111022331. The next prime is 203423111022349. The reversal of 203423111022342 is 243220111324302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203423111022349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69169909 + ... + 72050832.

It is an arithmetic number, because the mean of its divisors is an integer number (12845226861207).

Almost surely, 2^{203423111022342} is an apocalyptic number.

203423111022342 is an abundant number, since it is smaller than the sum of its proper divisors (207624148536282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203423111022342 is a wasteful number, since it uses less digits than its factorization.

203423111022342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141223224.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 203423111022342 its reverse (243220111324302), we get a palindrome (446643222346644).

The spelling of 203423111022342 in words is "two hundred three trillion, four hundred twenty-three billion, one hundred eleven million, twenty-two thousand, three hundred forty-two".