126745623823 has 8 divisors (see below), whose sum is σ = 155994614048. Its totient is φ = 100282251744.

The previous prime is 126745623799. The next prime is 126745623883. The reversal of 126745623823 is 328326547621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126745623823 - 2¹³ = 126745615631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126745623883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696404436 + ... + 696404617.

It is an arithmetic number, because the mean of its divisors is an integer number (19499326756).

Almost surely, 2^126745623823 is an apocalyptic number.

126745623823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126745623823 is a deficient number, since it is larger than the sum of its proper divisors (29248990225).

126745623823 is a wasteful number, since it uses less digits than its factorization.

126745623823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392809073.

The product of its digits is 2903040, while the sum is 49.

The spelling of 126745623823 in words is "one hundred twenty-six billion, seven hundred forty-five million, six hundred twenty-three thousand, eight hundred twenty-three".