235423223235040 has 96 divisors (see below), whose sum is σ = 558630694258560. Its totient is φ = 93755625369600.

The previous prime is 235423223234981. The next prime is 235423223235047. The reversal of 235423223235040 is 40532322324532.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 235423223234984 and 235423223235002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235423223235047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178963420 + ... + 2179071460.

It is an arithmetic number, because the mean of its divisors is an integer number (5819069731860).

Almost surely, 2^{235423223235040} is an apocalyptic number.

235423223235040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235423223235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279315347129280).

235423223235040 is an abundant number, since it is smaller than the sum of its proper divisors (323207471023520).

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

235423223235040 is a wasteful number, since it uses less digits than its factorization.

235423223235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167756 (or 167748 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 40.

Adding to 235423223235040 its reverse (40532322324532), we get a palindrome (275955545559572).

The spelling of 235423223235040 in words is "two hundred thirty-five trillion, four hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-five thousand, forty".