299490013923 has 16 divisors (see below), whose sum is σ = 399714704256. Its totient is φ = 199462746240.

The previous prime is 299490013913. The next prime is 299490013939. The reversal of 299490013923 is 329310094992.

It is a happy number.

It is not a de Polignac number, because 299490013923 - 2¹² = 299490009827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299490013903) 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, 23197236 + ... + 23210142.

It is an arithmetic number, because the mean of its divisors is an integer number (24982169016).

Almost surely, 2^299490013923 is an apocalyptic number.

299490013923 is a deficient number, since it is larger than the sum of its proper divisors (100224690333).

299490013923 is a wasteful number, since it uses less digits than its factorization.

299490013923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19954.

The product of its (nonzero) digits is 944784, while the sum is 51.

The spelling of 299490013923 in words is "two hundred ninety-nine billion, four hundred ninety million, thirteen thousand, nine hundred twenty-three".