1308023099 has 4 divisors (see below), whose sum is σ = 1376866440. Its totient is φ = 1239179760.

The previous prime is 1308023077. The next prime is 1308023117. The reversal of 1308023099 is 9903208031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9903208031 = 11923 ⋅830597.

It is a cyclic number.

It is not a de Polignac number, because 1308023099 - 2¹² = 1308019003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308023009) 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, 34421642 + ... + 34421679.

It is an arithmetic number, because the mean of its divisors is an integer number (344216610).

Almost surely, 2^1308023099 is an apocalyptic number.

1308023099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1308023099 is a deficient number, since it is larger than the sum of its proper divisors (68843341).

1308023099 is an equidigital number, since it uses as much as digits as its factorization.

1308023099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68843340.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1308023099 is about 36166.6019830451. The cubic root of 1308023099 is about 1093.6334987140.

The spelling of 1308023099 in words is "one billion, three hundred eight million, twenty-three thousand, ninety-nine".