423253541 has 2 divisors, whose sum is σ = 423253542. Its totient is φ = 423253540.

The previous prime is 423253513. The next prime is 423253547. The reversal of 423253541 is 145352324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264745441 + 158508100 = 16271^2 + 12590^2 .

It is a cyclic number.

It is not a de Polignac number, because 423253541 - 2¹⁸ = 422991397 is a prime.

It is a Chen prime.

It is equal to p_22508408 and since 423253541 and 22508408 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423253547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211626770 + 211626771.

It is an arithmetic number, because the mean of its divisors is an integer number (211626771).

Almost surely, 2^423253541 is an apocalyptic number.

It is an amenable number.

423253541 is a deficient number, since it is larger than the sum of its proper divisors (1).

423253541 is an equidigital number, since it uses as much as digits as its factorization.

423253541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 423253541 is about 20573.1266704893. The cubic root of 423253541 is about 750.8160250008.

The spelling of 423253541 in words is "four hundred twenty-three million, two hundred fifty-three thousand, five hundred forty-one".