423121952 has 48 divisors (see below), whose sum is σ = 911282400. Its totient is φ = 191792640.

The previous prime is 423121939. The next prime is 423121957. The reversal of 423121952 is 259121324.

It is not an unprimeable number, because it can be changed into a prime (423121957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142499 + ... + 145437.

It is an arithmetic number, because the mean of its divisors is an integer number (18985050).

Almost surely, 2^423121952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423121952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455641200).

423121952 is an abundant number, since it is smaller than the sum of its proper divisors (488160448).

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

423121952 is a wasteful number, since it uses less digits than its factorization.

423121952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3361 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 423121952 is about 20569.9283421212. The cubic root of 423121952 is about 750.7382076794.

The spelling of 423121952 in words is "four hundred twenty-three million, one hundred twenty-one thousand, nine hundred fifty-two".