233720981354 has 128 divisors (see below), whose sum is σ = 433888358400. Its totient is φ = 94190534592.

The previous prime is 233720981353. The next prime is 233720981393. The reversal of 233720981354 is 453189027332.

It is a junction number, because it is equal to n+sod(n) for n = 233720981299 and 233720981308.

It is not an unprimeable number, because it can be changed into a prime (233720981353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 415134677 + ... + 415135239.

It is an arithmetic number, because the mean of its divisors is an integer number (3389752800).

Almost surely, 2^233720981354 is an apocalyptic number.

233720981354 is a deficient number, since it is larger than the sum of its proper divisors (200167377046).

233720981354 is a wasteful number, since it uses less digits than its factorization.

233720981354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 233720981354 in words is "two hundred thirty-three billion, seven hundred twenty million, nine hundred eighty-one thousand, three hundred fifty-four".