1623299313 has 16 divisors (see below), whose sum is σ = 2260776960. Its totient is φ = 1034105424.

The previous prime is 1623299303. The next prime is 1623299369. The reversal of 1623299313 is 3139923261.

It is not a de Polignac number, because 1623299313 - 2⁴ = 1623299297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1623299303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60370 + ... + 83012.

It is an arithmetic number, because the mean of its divisors is an integer number (141298560).

Almost surely, 2^1623299313 is an apocalyptic number.

It is an amenable number.

1623299313 is a deficient number, since it is larger than the sum of its proper divisors (637477647).

1623299313 is a wasteful number, since it uses less digits than its factorization.

1623299313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23708.

The product of its digits is 52488, while the sum is 39.

The square root of 1623299313 is about 40290.1887933030. The cubic root of 1623299313 is about 1175.2570587123.

The spelling of 1623299313 in words is "one billion, six hundred twenty-three million, two hundred ninety-nine thousand, three hundred thirteen".