23060521747657 has 4 divisors (see below), whose sum is σ = 23124757184640. Its totient is φ = 22996286310676.

The previous prime is 23060521747621. The next prime is 23060521747693. The reversal of 23060521747657 is 75674712506032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23060521747621) and next prime (23060521747693).

It is a cyclic number.

It is not a de Polignac number, because 23060521747657 - 2²³ = 23060513359049 is a prime.

It is a super-2 number, since 2×23060521747657² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23060521747598 and 23060521747607.

It is not an unprimeable number, because it can be changed into a prime (23060521747057) 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, 32117717953 + ... + 32117718670.

It is an arithmetic number, because the mean of its divisors is an integer number (5781189296160).

Almost surely, 2^{23060521747657} is an apocalyptic number.

It is an amenable number.

23060521747657 is a deficient number, since it is larger than the sum of its proper divisors (64235436983).

23060521747657 is an equidigital number, since it uses as much as digits as its factorization.

23060521747657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64235436982.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 23060521747657 in words is "twenty-three trillion, sixty billion, five hundred twenty-one million, seven hundred forty-seven thousand, six hundred fifty-seven".