232353540 has 36 divisors (see below), whose sum is σ = 704806284. Its totient is φ = 61960896.

The previous prime is 232353533. The next prime is 232353547. The reversal of 232353540 is 45353232.

It is an interprime number because it is at equal distance from previous prime (232353533) and next prime (232353547).

It can be written as a sum of positive squares in 2 ways, for example, as 76003524 + 156350016 = 8718^2 + 12504^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (232353547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645247 + ... + 645606.

Almost surely, 2^232353540 is an apocalyptic number.

232353540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232353540 is an abundant number, since it is smaller than the sum of its proper divisors (472452744).

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

232353540 is a wasteful number, since it uses less digits than its factorization.

232353540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290868 (or 1290863 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 232353540 is about 15243.1473128091. The cubic root of 232353540 is about 614.7753293952.

The spelling of 232353540 in words is "two hundred thirty-two million, three hundred fifty-three thousand, five hundred forty".