126523205012463 has 16 divisors (see below), whose sum is σ = 192915039582720. Its totient is φ = 72254808742176.

The previous prime is 126523205012461. The next prime is 126523205012473. The reversal of 126523205012463 is 364210502325621.

It is not a de Polignac number, because 126523205012463 - 2¹ = 126523205012461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126523205012461) 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, 1840196083 + ... + 1840264836.

It is an arithmetic number, because the mean of its divisors is an integer number (12057189973920).

Almost surely, 2^{126523205012463} is an apocalyptic number.

126523205012463 is a deficient number, since it is larger than the sum of its proper divisors (66391834570257).

126523205012463 is a wasteful number, since it uses less digits than its factorization.

126523205012463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680462566.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 126523205012463 in words is "one hundred twenty-six trillion, five hundred twenty-three billion, two hundred five million, twelve thousand, four hundred sixty-three".