1001501423243 has 16 divisors (see below), whose sum is σ = 1046913638400. Its totient is φ = 956246491200.

The previous prime is 1001501423233. The next prime is 1001501423311. The reversal of 1001501423243 is 3423241051001.

It is a happy number.

It is not a de Polignac number, because 1001501423243 - 2⁴ = 1001501423227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001501423203) 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, 30193718 + ... + 30226868.

It is an arithmetic number, because the mean of its divisors is an integer number (65432102400).

Almost surely, 2^{1001501423243} is an apocalyptic number.

1001501423243 is a deficient number, since it is larger than the sum of its proper divisors (45412215157).

1001501423243 is a wasteful number, since it uses less digits than its factorization.

1001501423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35482.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1001501423243 its reverse (3423241051001), we get a palindrome (4424742474244).

The spelling of 1001501423243 in words is "one trillion, one billion, five hundred one million, four hundred twenty-three thousand, two hundred forty-three".