29428280023 has 4 divisors (see below), whose sum is σ = 29554581888. Its totient is φ = 29301978160.

The previous prime is 29428279987. The next prime is 29428280059. The reversal of 29428280023 is 32008282492.

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

It is an interprime number because it is at equal distance from previous prime (29428279987) and next prime (29428280059).

It is a cyclic number.

It is not a de Polignac number, because 29428280023 - 2²⁹ = 28891409111 is a prime.

It is a super-2 number, since 2×29428280023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29428280923) 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, 63150583 + ... + 63151048.

It is an arithmetic number, because the mean of its divisors is an integer number (7388645472).

Almost surely, 2^29428280023 is an apocalyptic number.

29428280023 is a deficient number, since it is larger than the sum of its proper divisors (126301865).

29428280023 is a wasteful number, since it uses less digits than its factorization.

29428280023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126301864.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 29428280023 in words is "twenty-nine billion, four hundred twenty-eight million, two hundred eighty thousand, twenty-three".