23356161140565 has 16 divisors (see below), whose sum is σ = 40767117627456. Its totient is φ = 11324199340800.

The previous prime is 23356161140539. The next prime is 23356161140567. The reversal of 23356161140565 is 56504116165332.

It is not a de Polignac number, because 23356161140565 - 2¹³ = 23356161132373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23356161140567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70776245716 + ... + 70776246045.

It is an arithmetic number, because the mean of its divisors is an integer number (2547944851716).

Almost surely, 2^{23356161140565} is an apocalyptic number.

It is an amenable number.

23356161140565 is a deficient number, since it is larger than the sum of its proper divisors (17410956486891).

23356161140565 is a wasteful number, since it uses less digits than its factorization.

23356161140565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141552491780.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 23356161140565 in words is "twenty-three trillion, three hundred fifty-six billion, one hundred sixty-one million, one hundred forty thousand, five hundred sixty-five".