29479003123 has 4 divisors (see below), whose sum is σ = 29482946920. Its totient is φ = 29475059328.

The previous prime is 29479003109. The next prime is 29479003163. The reversal of 29479003123 is 32130097492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29479003123 - 2⁵ = 29479003091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29479003163) 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, 1960665 + ... + 1975642.

It is an arithmetic number, because the mean of its divisors is an integer number (7370736730).

Almost surely, 2^29479003123 is an apocalyptic number.

29479003123 is a deficient number, since it is larger than the sum of its proper divisors (3943797).

29479003123 is an equidigital number, since it uses as much as digits as its factorization.

29479003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943796.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 29479003123 in words is "twenty-nine billion, four hundred seventy-nine million, three thousand, one hundred twenty-three".