233867540 has 24 divisors (see below), whose sum is σ = 502545120. Its totient is φ = 91371168.

The previous prime is 233867537. The next prime is 233867551. The reversal of 233867540 is 45768332.

It is a junction number, because it is equal to n+sod(n) for n = 233867494 and 233867503.

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, 135110 + ... + 136829.

It is an arithmetic number, because the mean of its divisors is an integer number (20939380).

Almost surely, 2^233867540 is an apocalyptic number.

233867540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233867540 is an abundant number, since it is smaller than the sum of its proper divisors (268677580).

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

233867540 is a wasteful number, since it uses less digits than its factorization.

233867540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271991 (or 271989 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 233867540 is about 15292.7283373504. The cubic root of 233867540 is about 616.1077178524.

The spelling of 233867540 in words is "two hundred thirty-three million, eight hundred sixty-seven thousand, five hundred forty".