126423740534 has 16 divisors (see below), whose sum is σ = 233397675168. Its totient is φ = 50013787392.

The previous prime is 126423740497. The next prime is 126423740537. The reversal of 126423740534 is 435047324621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126423740491 and 126423740500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126423740537) 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, 347317787 + ... + 347318150.

It is an arithmetic number, because the mean of its divisors is an integer number (14587354698).

Almost surely, 2^126423740534 is an apocalyptic number.

126423740534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126423740534 is a deficient number, since it is larger than the sum of its proper divisors (106973934634).

126423740534 is a wasteful number, since it uses less digits than its factorization.

126423740534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694635959.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 126423740534 in words is "one hundred twenty-six billion, four hundred twenty-three million, seven hundred forty thousand, five hundred thirty-four".