23032011517 has 2 divisors, whose sum is σ = 23032011518. Its totient is φ = 23032011516.

The previous prime is 23032011463. The next prime is 23032011533. The reversal of 23032011517 is 71511023032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20903665561 + 2128345956 = 144581^2 + 46134^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032011517 - 2⁷ = 23032011389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23032011491 and 23032011500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032011217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516005758 + 11516005759.

It is an arithmetic number, because the mean of its divisors is an integer number (11516005759).

Almost surely, 2^23032011517 is an apocalyptic number.

It is an amenable number.

23032011517 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032011517 is an equidigital number, since it uses as much as digits as its factorization.

23032011517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 23032011517 its reverse (71511023032), we get a palindrome (94543034549).

The spelling of 23032011517 in words is "twenty-three billion, thirty-two million, eleven thousand, five hundred seventeen".