1001253423 has 8 divisors (see below), whose sum is σ = 1357632000. Its totient is φ = 656188568.

The previous prime is 1001253419. The next prime is 1001253439. The reversal of 1001253423 is 3243521001.

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 1001253423 - 2² = 1001253419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001253423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001253443) 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, 2828223 + ... + 2828576.

It is an arithmetic number, because the mean of its divisors is an integer number (169704000).

Almost surely, 2^1001253423 is an apocalyptic number.

1001253423 is a deficient number, since it is larger than the sum of its proper divisors (356378577).

1001253423 is an equidigital number, since it uses as much as digits as its factorization.

1001253423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656861.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1001253423 is about 31642.5887531346. The cubic root of 1001253423 is about 1000.4176332249.

Adding to 1001253423 its reverse (3243521001), we get a palindrome (4244774424).

The spelling of 1001253423 in words is "one billion, one million, two hundred fifty-three thousand, four hundred twenty-three".