233473987 has 4 divisors (see below), whose sum is σ = 234210816. Its totient is φ = 232737160.

The previous prime is 233473979. The next prime is 233473997. The reversal of 233473987 is 789374332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233473987 - 2³ = 233473979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233473907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367939 + ... + 368572.

It is an arithmetic number, because the mean of its divisors is an integer number (58552704).

Almost surely, 2^233473987 is an apocalyptic number.

233473987 is a deficient number, since it is larger than the sum of its proper divisors (736829).

233473987 is an equidigital number, since it uses as much as digits as its factorization.

233473987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736828.

The product of its digits is 762048, while the sum is 46.

The square root of 233473987 is about 15279.8555948674. The cubic root of 233473987 is about 615.7619278405.

The spelling of 233473987 in words is "two hundred thirty-three million, four hundred seventy-three thousand, nine hundred eighty-seven".