423003126 has 96 divisors (see below), whose sum is σ = 1068560640. Its totient is φ = 108706752.

The previous prime is 423003107. The next prime is 423003127. The reversal of 423003126 is 621300324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423003127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1009345 + ... + 1009763.

It is an arithmetic number, because the mean of its divisors is an integer number (11130840).

Almost surely, 2^423003126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423003126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534280320).

423003126 is an abundant number, since it is smaller than the sum of its proper divisors (645557514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423003126 is a wasteful number, since it uses less digits than its factorization.

423003126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 423003126 is about 20567.0397967233. The cubic root of 423003126 is about 750.6679241044.

The spelling of 423003126 in words is "four hundred twenty-three million, three thousand, one hundred twenty-six".