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1001202423 = 31325671857
BaseRepresentation
bin111011101011010…
…010001011110111
32120202221100112020
4323223102023313
54022301434143
6243203124223
733545036334
oct7353221367
92522840466
101001202423
11474175221
1223b373673
1312c56b590
1496d8198b
155cd6c883
hex3bad22f7

1001202423 has 8 divisors (see below), whose sum is σ = 1437624048. Its totient is φ = 616124544.

The previous prime is 1001202421. The next prime is 1001202457. The reversal of 1001202423 is 3242021001.

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

It is not a de Polignac number, because 1001202423 - 21 = 1001202421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001202421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12835890 + ... + 12835967.

It is an arithmetic number, because the mean of its divisors is an integer number (179703006).

Almost surely, 21001202423 is an apocalyptic number.

1001202423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1001202423 is a deficient number, since it is larger than the sum of its proper divisors (436421625).

1001202423 is a wasteful number, since it uses less digits than its factorization.

1001202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25671873.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1001202423 is about 31641.7828669625. The cubic root of 1001202423 is about 1000.4006471271.

Adding to 1001202423 its reverse (3242021001), we get a palindrome (4243223424).

The spelling of 1001202423 in words is "one billion, one million, two hundred two thousand, four hundred twenty-three".

Divisors: 1 3 13 39 25671857 77015571 333734141 1001202423