912423420 has 96 divisors (see below), whose sum is σ = 2881132800. Its totient is φ = 239671872.

The previous prime is 912423397. The next prime is 912423431. The reversal of 912423420 is 24324219.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23571 + ... + 48789.

It is an arithmetic number, because the mean of its divisors is an integer number (30011800).

Almost surely, 2^912423420 is an apocalyptic number.

912423420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912423420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440566400).

912423420 is an abundant number, since it is smaller than the sum of its proper divisors (1968709380).

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

912423420 is a wasteful number, since it uses less digits than its factorization.

912423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304 (or 25296 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 912423420 is about 30206.3473462119. The cubic root of 912423420 is about 969.9115730494.

Adding to 912423420 its reverse (24324219), we get a palindrome (936747639).

The spelling of 912423420 in words is "nine hundred twelve million, four hundred twenty-three thousand, four hundred twenty".