228136423 has 8 divisors (see below), whose sum is σ = 234019296. Its totient is φ = 222268800.

The previous prime is 228136411. The next prime is 228136427. The reversal of 228136423 is 324631822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228136423 - 2⁹ = 228135911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228136427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30363 + ... + 37123.

It is an arithmetic number, because the mean of its divisors is an integer number (29252412).

Almost surely, 2^228136423 is an apocalyptic number.

228136423 is a deficient number, since it is larger than the sum of its proper divisors (5882873).

228136423 is an equidigital number, since it uses as much as digits as its factorization.

228136423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625.

The product of its digits is 13824, while the sum is 31.

The square root of 228136423 is about 15104.1856119421. The cubic root of 228136423 is about 611.0332957141.

The spelling of 228136423 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, four hundred twenty-three".