126423632647680 has 160 divisors (see below), whose sum is σ = 409029956907264. Its totient is φ = 33306788192256.

The previous prime is 126423632647591. The next prime is 126423632647699. The reversal of 126423632647680 is 86746236324621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 98527684 + ... + 99802563.

Almost surely, 2^{126423632647680} is an apocalyptic number.

126423632647680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126423632647680 is an abundant number, since it is smaller than the sum of its proper divisors (282606324259584).

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

126423632647680 is an equidigital number, since it uses as much as digits as its factorization.

126423632647680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198330356 (or 198330340 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 60.

The spelling of 126423632647680 in words is "one hundred twenty-six trillion, four hundred twenty-three billion, six hundred thirty-two million, six hundred forty-seven thousand, six hundred eighty".