423245542 has 36 divisors (see below), whose sum is σ = 677531844. Its totient is φ = 198276000.

The previous prime is 423245531. The next prime is 423245561. The reversal of 423245542 is 245542324.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3230817 + ... + 3230947.

It is an arithmetic number, because the mean of its divisors is an integer number (18820329).

Almost surely, 2^423245542 is an apocalyptic number.

423245542 is a deficient number, since it is larger than the sum of its proper divisors (254286302).

423245542 is a wasteful number, since it uses less digits than its factorization.

423245542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 205 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 423245542 is about 20572.9322654793. The cubic root of 423245542 is about 750.8112951209.

Adding to 423245542 its reverse (245542324), we get a palindrome (668787866).

The spelling of 423245542 in words is "four hundred twenty-three million, two hundred forty-five thousand, five hundred forty-two".