423542292 has 24 divisors (see below), whose sum is σ = 1006913376. Its totient is φ = 138516768.

The previous prime is 423542291. The next prime is 423542311. The reversal of 423542292 is 292245324.

It is a super-2 number, since 2×423542292² = 358776146225226528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542291) 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, 332338 + ... + 333609.

It is an arithmetic number, because the mean of its divisors is an integer number (41954724).

Almost surely, 2^423542292 is an apocalyptic number.

It is an amenable number.

423542292 is an abundant number, since it is smaller than the sum of its proper divisors (583371084).

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

423542292 is a wasteful number, since it uses less digits than its factorization.

423542292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666007 (or 666005 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 423542292 is about 20580.1431481902. The cubic root of 423542292 is about 750.9867261483.

The spelling of 423542292 in words is "four hundred twenty-three million, five hundred forty-two thousand, two hundred ninety-two".