423536145 has 64 divisors (see below), whose sum is σ = 730404864. Its totient is φ = 209088000.

The previous prime is 423536131. The next prime is 423536149. The reversal of 423536145 is 541635324.

It is not a de Polignac number, because 423536145 - 2¹⁰ = 423535121 is a prime.

It is a super-2 number, since 2×423536145² = 358765732242922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423536149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1687270 + ... + 1687520.

It is an arithmetic number, because the mean of its divisors is an integer number (11412576).

Almost surely, 2^423536145 is an apocalyptic number.

It is an amenable number.

423536145 is a deficient number, since it is larger than the sum of its proper divisors (306868719).

423536145 is a wasteful number, since it uses less digits than its factorization.

423536145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its digits is 43200, while the sum is 33.

The square root of 423536145 is about 20579.9938046638. The cubic root of 423536145 is about 750.9830930300.

The spelling of 423536145 in words is "four hundred twenty-three million, five hundred thirty-six thousand, one hundred forty-five".