6426123153720 has 64 divisors (see below), whose sum is σ = 19469244443040. Its totient is φ = 1696666176000.

The previous prime is 6426123153701. The next prime is 6426123153721. The reversal of 6426123153720 is 273513216246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426123153721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265091971 + ... + 265116210.

Almost surely, 2^{6426123153720} is an apocalyptic number.

6426123153720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6426123153720 is an abundant number, since it is smaller than the sum of its proper divisors (13043121289320).

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

6426123153720 is a wasteful number, since it uses less digits than its factorization.

6426123153720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530208296 (or 530208292 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

Adding to 6426123153720 its reverse (273513216246), we get a palindrome (6699636369966).

The spelling of 6426123153720 in words is "six trillion, four hundred twenty-six billion, one hundred twenty-three million, one hundred fifty-three thousand, seven hundred twenty".