23239409471 has 2 divisors, whose sum is σ = 23239409472. Its totient is φ = 23239409470.

The previous prime is 23239409449. The next prime is 23239409509. The reversal of 23239409471 is 17490493232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23239409471 - 2²² = 23235215167 is a prime.

It is a super-3 number, since 3×23239409471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23239409441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619704735 + 11619704736.

It is an arithmetic number, because the mean of its divisors is an integer number (11619704736).

Almost surely, 2^23239409471 is an apocalyptic number.

23239409471 is a deficient number, since it is larger than the sum of its proper divisors (1).

23239409471 is an equidigital number, since it uses as much as digits as its factorization.

23239409471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 23239409471 in words is "twenty-three billion, two hundred thirty-nine million, four hundred nine thousand, four hundred seventy-one".