654338423 has 2 divisors, whose sum is σ = 654338424. Its totient is φ = 654338422.

The previous prime is 654338411. The next prime is 654338437. The reversal of 654338423 is 324833456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654338423 - 2⁴ = 654338407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654338123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327169211 + 327169212.

It is an arithmetic number, because the mean of its divisors is an integer number (327169212).

Almost surely, 2^654338423 is an apocalyptic number.

654338423 is a deficient number, since it is larger than the sum of its proper divisors (1).

654338423 is an equidigital number, since it uses as much as digits as its factorization.

654338423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The square root of 654338423 is about 25580.0395425809. The cubic root of 654338423 is about 868.1620701390.

The spelling of 654338423 in words is "six hundred fifty-four million, three hundred thirty-eight thousand, four hundred twenty-three".