230142263 has 4 divisors (see below), whose sum is σ = 247845528. Its totient is φ = 212439000.

The previous prime is 230142197. The next prime is 230142281. The reversal of 230142263 is 362241032.

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 230142263 - 2²² = 225947959 is a prime.

It is a super-2 number, since 2×230142263² = 105930922437522338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230145263) 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, 8851613 + ... + 8851638.

It is an arithmetic number, because the mean of its divisors is an integer number (61961382).

Almost surely, 2^230142263 is an apocalyptic number.

230142263 is a deficient number, since it is larger than the sum of its proper divisors (17703265).

230142263 is a wasteful number, since it uses less digits than its factorization.

230142263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703264.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 230142263 is about 15170.4404352675. The cubic root of 230142263 is about 612.8188653746.

Adding to 230142263 its reverse (362241032), we get a palindrome (592383295).

The spelling of 230142263 in words is "two hundred thirty million, one hundred forty-two thousand, two hundred sixty-three".