423342332240 has 40 divisors (see below), whose sum is σ = 994016198088. Its totient is φ = 167660326400.

The previous prime is 423342332233. The next prime is 423342332251. The reversal of 423342332240 is 42233243324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41007870016 + 382334462224 = 202504^2 + 618332^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 423342332197 and 423342332206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26188847 + ... + 26205006.

Almost surely, 2^423342332240 is an apocalyptic number.

423342332240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423342332240 is an abundant number, since it is smaller than the sum of its proper divisors (570673865848).

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

423342332240 is a wasteful number, since it uses less digits than its factorization.

423342332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52393967 (or 52393961 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 423342332240 its reverse (42233243324), we get a palindrome (465575575564).

The spelling of 423342332240 in words is "four hundred twenty-three billion, three hundred forty-two million, three hundred thirty-two thousand, two hundred forty".