234753993 has 6 divisors (see below), whose sum is σ = 339089114. Its totient is φ = 156502656.

The previous prime is 234753991. The next prime is 234754001. The reversal of 234753993 is 399357432.

234753993 is a `hidden beast` number, since 23 + 4 + 7 + 539 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 226442304 + 8311689 = 15048^2 + 2883^2 .

It is not a de Polignac number, because 234753993 - 2¹ = 234753991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234753991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13041880 + ... + 13041897.

Almost surely, 2^234753993 is an apocalyptic number.

It is an amenable number.

234753993 is a deficient number, since it is larger than the sum of its proper divisors (104335121).

234753993 is a wasteful number, since it uses less digits than its factorization.

234753993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26083783 (or 26083780 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 234753993 is about 15321.6837521207. The cubic root of 234753993 is about 616.8851692537.

The spelling of 234753993 in words is "two hundred thirty-four million, seven hundred fifty-three thousand, nine hundred ninety-three".