235723642 has 64 divisors (see below), whose sum is σ = 467970048. Its totient is φ = 86328000.

The previous prime is 235723603. The next prime is 235723661. The reversal of 235723642 is 246327532.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 235723598 and 235723607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215517 + ... + 216607.

It is an arithmetic number, because the mean of its divisors is an integer number (7312032).

Almost surely, 2^235723642 is an apocalyptic number.

235723642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

235723642 is a deficient number, since it is larger than the sum of its proper divisors (232246406).

235723642 is a wasteful number, since it uses less digits than its factorization.

235723642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its digits is 60480, while the sum is 34.

The square root of 235723642 is about 15353.2941742155. The cubic root of 235723642 is about 617.7333485143.

The spelling of 235723642 in words is "two hundred thirty-five million, seven hundred twenty-three thousand, six hundred forty-two".