1323003129 has 16 divisors (see below), whose sum is σ = 2065176960. Its totient is φ = 737562240.

The previous prime is 1323003107. The next prime is 1323003133. The reversal of 1323003129 is 9213003231.

It is not a de Polignac number, because 1323003129 - 2⁷ = 1323003001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323003099 and 1323003108.

It is not an unprimeable number, because it can be changed into a prime (1323003139) 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, 767434 + ... + 769155.

It is an arithmetic number, because the mean of its divisors is an integer number (129073560).

Almost surely, 2^1323003129 is an apocalyptic number.

It is an amenable number.

1323003129 is a deficient number, since it is larger than the sum of its proper divisors (742173831).

1323003129 is a wasteful number, since it uses less digits than its factorization.

1323003129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536640.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1323003129 is about 36373.1099715160. The cubic root of 1323003129 is about 1097.7925784611.

The spelling of 1323003129 in words is "one billion, three hundred twenty-three million, three thousand, one hundred twenty-nine".