230136023 has 4 divisors (see below), whose sum is σ = 247838808. Its totient is φ = 212433240.

The previous prime is 230136019. The next prime is 230136059. The reversal of 230136023 is 320631032.

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 230136023 - 2² = 230136019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230135986 and 230136004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230136073) 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, 8851373 + ... + 8851398.

It is an arithmetic number, because the mean of its divisors is an integer number (61959702).

Almost surely, 2^230136023 is an apocalyptic number.

230136023 is a deficient number, since it is larger than the sum of its proper divisors (17702785).

230136023 is a wasteful number, since it uses less digits than its factorization.

230136023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17702784.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 230136023 is about 15170.2347707608. The cubic root of 230136023 is about 612.8133267362.

Adding to 230136023 its reverse (320631032), we get a palindrome (550767055).

The spelling of 230136023 in words is "two hundred thirty million, one hundred thirty-six thousand, twenty-three".