1001402323 has 4 divisors (see below), whose sum is σ = 1060308360. Its totient is φ = 942496288.

The previous prime is 1001402321. The next prime is 1001402333. The reversal of 1001402323 is 3232041001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001402323 - 2¹ = 1001402321 is a prime.

It is a super-2 number, since 2×1001402323² = 2005613225019592658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001402297 and 1001402306.

It is not an unprimeable number, because it can be changed into a prime (1001402321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29452993 + ... + 29453026.

It is an arithmetic number, because the mean of its divisors is an integer number (265077090).

Almost surely, 2^1001402323 is an apocalyptic number.

1001402323 is a deficient number, since it is larger than the sum of its proper divisors (58906037).

1001402323 is an equidigital number, since it uses as much as digits as its factorization.

1001402323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58906036.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1001402323 is about 31644.9415072931. The cubic root of 1001402323 is about 1000.4672226690.

Adding to 1001402323 its reverse (3232041001), we get a palindrome (4233443324).

The spelling of 1001402323 in words is "one billion, one million, four hundred two thousand, three hundred twenty-three".