2235640423 has 8 divisors (see below), whose sum is σ = 2345591936. Its totient is φ = 2128053600.

The previous prime is 2235640417. The next prime is 2235640469. The reversal of 2235640423 is 3240465322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235640423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235640483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589236 + ... + 593017.

It is an arithmetic number, because the mean of its divisors is an integer number (293198992).

Almost surely, 2^2235640423 is an apocalyptic number.

2235640423 is a deficient number, since it is larger than the sum of its proper divisors (109951513).

2235640423 is a wasteful number, since it uses less digits than its factorization.

2235640423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182345.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2235640423 is about 47282.5593956165. The cubic root of 2235640423 is about 1307.5771355697.

The spelling of 2235640423 in words is "two billion, two hundred thirty-five million, six hundred forty thousand, four hundred twenty-three".