235231113420 has 120 divisors (see below), whose sum is σ = 757872927504. Its totient is φ = 61032921984.

The previous prime is 235231113419. The next prime is 235231113431. The reversal of 235231113420 is 24311132532.

235231113420 is a `hidden beast` number, since 2 + 3 + 5 + 2 + 311 + 1 + 342 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1902282 + ... + 2022161.

Almost surely, 2^235231113420 is an apocalyptic number.

235231113420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235231113420 is an abundant number, since it is smaller than the sum of its proper divisors (522641814084).

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

235231113420 is a wasteful number, since it uses less digits than its factorization.

235231113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924501 (or 3924490 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 235231113420 its reverse (24311132532), we get a palindrome (259542245952).

The spelling of 235231113420 in words is "two hundred thirty-five billion, two hundred thirty-one million, one hundred thirteen thousand, four hundred twenty".