1000623002 has 4 divisors (see below), whose sum is σ = 1500934506. Its totient is φ = 500311500.

The previous prime is 1000622971. The next prime is 1000623007. The reversal of 1000623002 is 2003260001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2003260001 = 67 ⋅29899403.

It can be written as a sum of positive squares in only one way, i.e., 867243601 + 133379401 = 29449^2 + 11549^2 .

It is not an unprimeable number, because it can be changed into a prime (1000623007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250155749 + ... + 250155752.

Almost surely, 2^1000623002 is an apocalyptic number.

1000623002 is a deficient number, since it is larger than the sum of its proper divisors (500311504).

1000623002 is an equidigital number, since it uses as much as digits as its factorization.

1000623002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500311503.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1000623002 is about 31632.6255944713. The cubic root of 1000623002 is about 1000.2076242225.

Adding to 1000623002 its reverse (2003260001), we get a palindrome (3003883003).

The spelling of 1000623002 in words is "one billion, six hundred twenty-three thousand, two".