233542009434 has 16 divisors (see below), whose sum is σ = 467861204160. Its totient is φ = 77717805600.

The previous prime is 233542009339. The next prime is 233542009439. The reversal of 233542009434 is 434900245332.

It is a junction number, because it is equal to n+sod(n) for n = 233542009392 and 233542009401.

It is not an unprimeable number, because it can be changed into a prime (233542009439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32378814 + ... + 32386025.

It is an arithmetic number, because the mean of its divisors is an integer number (29241325260).

Almost surely, 2^233542009434 is an apocalyptic number.

233542009434 is an abundant number, since it is smaller than the sum of its proper divisors (234319194726).

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

233542009434 is a wasteful number, since it uses less digits than its factorization.

233542009434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64765445.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 233542009434 in words is "two hundred thirty-three billion, five hundred forty-two million, nine thousand, four hundred thirty-four".