423899750 has 32 divisors (see below), whose sum is σ = 815005152. Its totient is φ = 164973600.

The previous prime is 423899741. The next prime is 423899753. The reversal of 423899750 is 57998324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423899695 and 423899704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423899753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13664 + ... + 32163.

It is an arithmetic number, because the mean of its divisors is an integer number (25468911).

Almost surely, 2^423899750 is an apocalyptic number.

423899750 is a deficient number, since it is larger than the sum of its proper divisors (391105402).

423899750 is a wasteful number, since it uses less digits than its factorization.

423899750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45881 (or 45871 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 423899750 is about 20588.8258528747. The cubic root of 423899750 is about 751.1979374277.

The spelling of 423899750 in words is "four hundred twenty-three million, eight hundred ninety-nine thousand, seven hundred fifty".