203453550342 has 24 divisors (see below), whose sum is σ = 503789744016. Its totient is φ = 58129585776.

The previous prime is 203453550271. The next prime is 203453550367. The reversal of 203453550342 is 243055354302.

203453550342 is a `hidden beast` number, since 2 + 0 + 34 + 535 + 50 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 203453550297 and 203453550306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807355233 + ... + 807355484.

It is an arithmetic number, because the mean of its divisors is an integer number (20991239334).

Almost surely, 2^203453550342 is an apocalyptic number.

203453550342 is an abundant number, since it is smaller than the sum of its proper divisors (300336193674).

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

203453550342 is a wasteful number, since it uses less digits than its factorization.

203453550342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614710732 (or 1614710729 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 203453550342 in words is "two hundred three billion, four hundred fifty-three million, five hundred fifty thousand, three hundred forty-two".