120144643723 has 16 divisors (see below), whose sum is σ = 129797785600. Its totient is φ = 110550575520.

The previous prime is 120144643709. The next prime is 120144643777. The reversal of 120144643723 is 327346441021.

It is a cyclic number.

It is not a de Polignac number, because 120144643723 - 2¹³ = 120144635531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120144643793) 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, 11026108 + ... + 11036998.

It is an arithmetic number, because the mean of its divisors is an integer number (8112361600).

Almost surely, 2^120144643723 is an apocalyptic number.

120144643723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120144643723 is a deficient number, since it is larger than the sum of its proper divisors (9653141877).

120144643723 is a wasteful number, since it uses less digits than its factorization.

120144643723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13522.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 120144643723 in words is "one hundred twenty billion, one hundred forty-four million, six hundred forty-three thousand, seven hundred twenty-three".