235023404 has 72 divisors (see below), whose sum is σ = 530050752. Its totient is φ = 90145440.

The previous prime is 235023403. The next prime is 235023409. The reversal of 235023404 is 404320532.

It is a self number, because there is not a number n which added to its sum of digits gives 235023404.

It is not an unprimeable number, because it can be changed into a prime (235023401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143639 + ... + 145265.

It is an arithmetic number, because the mean of its divisors is an integer number (7361816).

Almost surely, 2^235023404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235023404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265025376).

235023404 is an abundant number, since it is smaller than the sum of its proper divisors (295027348).

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

235023404 is a wasteful number, since it uses less digits than its factorization.

235023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 235023404 is about 15330.4730520620. The cubic root of 235023404 is about 617.1210645862.

Adding to 235023404 its reverse (404320532), we get a palindrome (639343936).

The spelling of 235023404 in words is "two hundred thirty-five million, twenty-three thousand, four hundred four".