229154623 has 2 divisors, whose sum is σ = 229154624. Its totient is φ = 229154622.

The previous prime is 229154599. The next prime is 229154633. The reversal of 229154623 is 326451922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229154623 - 2²¹ = 227057471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229154633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114577311 + 114577312.

It is an arithmetic number, because the mean of its divisors is an integer number (114577312).

Almost surely, 2^229154623 is an apocalyptic number.

229154623 is a deficient number, since it is larger than the sum of its proper divisors (1).

229154623 is an equidigital number, since it uses as much as digits as its factorization.

229154623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 229154623 is about 15137.8539760430. The cubic root of 229154623 is about 611.9409847760.

The spelling of 229154623 in words is "two hundred twenty-nine million, one hundred fifty-four thousand, six hundred twenty-three".