23477522213 has 4 divisors (see below), whose sum is σ = 24050144748. Its totient is φ = 22904899680.

The previous prime is 23477522209. The next prime is 23477522231. The reversal of 23477522213 is 31222577432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5761113604 + 17716408609 = 75902^2 + 133103^2 .

It is a cyclic number.

It is not a de Polignac number, because 23477522213 - 2² = 23477522209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23477822213) 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, 286311206 + ... + 286311287.

It is an arithmetic number, because the mean of its divisors is an integer number (6012536187).

Almost surely, 2^23477522213 is an apocalyptic number.

It is an amenable number.

23477522213 is a deficient number, since it is larger than the sum of its proper divisors (572622535).

23477522213 is an equidigital number, since it uses as much as digits as its factorization.

23477522213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572622534.

The product of its digits is 141120, while the sum is 38.

The spelling of 23477522213 in words is "twenty-three billion, four hundred seventy-seven million, five hundred twenty-two thousand, two hundred thirteen".