423151242540 has 48 divisors (see below), whose sum is σ = 1275963749088. Its totient is φ = 104160305664.

The previous prime is 423151242517. The next prime is 423151242617. The reversal of 423151242540 is 45242151324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271250017 + ... + 271251576.

It is an arithmetic number, because the mean of its divisors is an integer number (26582578106).

Almost surely, 2^423151242540 is an apocalyptic number.

It is an amenable number.

423151242540 is an abundant number, since it is smaller than the sum of its proper divisors (852812506548).

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

423151242540 is a wasteful number, since it uses less digits than its factorization.

423151242540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542501618 (or 542501616 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 423151242540 its reverse (45242151324), we get a palindrome (468393393864).

The spelling of 423151242540 in words is "four hundred twenty-three billion, one hundred fifty-one million, two hundred forty-two thousand, five hundred forty".