235523540 has 24 divisors (see below), whose sum is σ = 565256832. Its totient is φ = 80750880.

The previous prime is 235523531. The next prime is 235523567. The reversal of 235523540 is 45325532.

235523540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841016 + ... + 841295.

It is an arithmetic number, because the mean of its divisors is an integer number (23552368).

Almost surely, 2^235523540 is an apocalyptic number.

235523540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235523540 is an abundant number, since it is smaller than the sum of its proper divisors (329733292).

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

235523540 is a wasteful number, since it uses less digits than its factorization.

235523540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682327 (or 1682325 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 235523540 is about 15346.7762087026. The cubic root of 235523540 is about 617.5585044035.

The spelling of 235523540 in words is "two hundred thirty-five million, five hundred twenty-three thousand, five hundred forty".