29997923268923 has 2 divisors, whose sum is σ = 29997923268924. Its totient is φ = 29997923268922.

The previous prime is 29997923268779. The next prime is 29997923269037. The reversal of 29997923268923 is 32986232979992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29997923268923 - 2²² = 29997919074619 is a prime.

It is not a weakly prime, because it can be changed into another prime (29997923268023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998961634461 + 14998961634462.

It is an arithmetic number, because the mean of its divisors is an integer number (14998961634462).

Almost surely, 2^{29997923268923} is an apocalyptic number.

29997923268923 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997923268923 is an equidigital number, since it uses as much as digits as its factorization.

29997923268923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857026816, while the sum is 80.

The spelling of 29997923268923 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-three million, two hundred sixty-eight thousand, nine hundred twenty-three".