423261032688 has 150 divisors (see below), whose sum is σ = 1326523535304. Its totient is φ = 130234096512.

The previous prime is 423261032681. The next prime is 423261032707. The reversal of 423261032688 is 886230162324.

423261032688 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 610 + 3 + 26 + 8 + 8 = 666.

It is a super-2 number, since 2×423261032688² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423261032681) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 747220 + ... + 1185267.

Almost surely, 2^423261032688 is an apocalyptic number.

423261032688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

423261032688 is an abundant number, since it is smaller than the sum of its proper divisors (903262502616).

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

423261032688 is a wasteful number, since it uses less digits than its factorization.

423261032688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932533 (or 1932505 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 423261032688 in words is "four hundred twenty-three billion, two hundred sixty-one million, thirty-two thousand, six hundred eighty-eight".