29783490423 has 4 divisors (see below), whose sum is σ = 39711320568. Its totient is φ = 19855660280.

The previous prime is 29783490409. The next prime is 29783490449. The reversal of 29783490423 is 32409438792.

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 29783490423 - 2²⁰ = 29782441847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29783490463) 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, 4963915068 + ... + 4963915073.

It is an arithmetic number, because the mean of its divisors is an integer number (9927830142).

Almost surely, 2^29783490423 is an apocalyptic number.

29783490423 is a deficient number, since it is larger than the sum of its proper divisors (9927830145).

29783490423 is an equidigital number, since it uses as much as digits as its factorization.

29783490423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927830144.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 29783490423 in words is "twenty-nine billion, seven hundred eighty-three million, four hundred ninety thousand, four hundred twenty-three".