23356690057 has 4 divisors (see below), whose sum is σ = 23587944516. Its totient is φ = 23125435600.

The previous prime is 23356690039. The next prime is 23356690073. The reversal of 23356690057 is 75009665332.

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 20377277001 + 2979413056 = 142749^2 + 54584^2 .

It is a cyclic number.

It is not a de Polignac number, because 23356690057 - 2¹¹ = 23356688009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23356689989 and 23356690016.

It is not an unprimeable number, because it can be changed into a prime (23356690957) 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, 115627078 + ... + 115627279.

It is an arithmetic number, because the mean of its divisors is an integer number (5896986129).

Almost surely, 2^23356690057 is an apocalyptic number.

It is an amenable number.

23356690057 is a deficient number, since it is larger than the sum of its proper divisors (231254459).

23356690057 is a wasteful number, since it uses less digits than its factorization.

23356690057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231254458.

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 23356690057 in words is "twenty-three billion, three hundred fifty-six million, six hundred ninety thousand, fifty-seven".