29403734123 has 16 divisors (see below), whose sum is σ = 31219784640. Its totient is φ = 27597413376.

The previous prime is 29403734119. The next prime is 29403734137. The reversal of 29403734123 is 32143730492.

It is a cyclic number.

It is not a de Polignac number, because 29403734123 - 2² = 29403734119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29403734623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14074463 + ... + 14076551.

It is an arithmetic number, because the mean of its divisors is an integer number (1951236540).

Almost surely, 2^29403734123 is an apocalyptic number.

29403734123 is a deficient number, since it is larger than the sum of its proper divisors (1816050517).

29403734123 is a wasteful number, since it uses less digits than its factorization.

29403734123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 29403734123 in words is "twenty-nine billion, four hundred three million, seven hundred thirty-four thousand, one hundred twenty-three".