23505429479 has 8 divisors (see below), whose sum is σ = 27789670560. Its totient is φ = 19452769056.

The previous prime is 23505429469. The next prime is 23505429481. The reversal of 23505429479 is 97492450532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23505429479 - 2¹⁶ = 23505363943 is a prime.

It is a super-3 number, since 3×23505429479³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505429469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57894944 + ... + 57895349.

It is an arithmetic number, because the mean of its divisors is an integer number (3473708820).

Almost surely, 2^23505429479 is an apocalyptic number.

23505429479 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23505429479 is a deficient number, since it is larger than the sum of its proper divisors (4284241081).

23505429479 is a wasteful number, since it uses less digits than its factorization.

23505429479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115790329.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 23505429479 in words is "twenty-three billion, five hundred five million, four hundred twenty-nine thousand, four hundred seventy-nine".