23364356321605 has 64 divisors (see below), whose sum is σ = 32363381514240. Its totient is φ = 16049572367616.

The previous prime is 23364356321561. The next prime is 23364356321611. The reversal of 23364356321605 is 50612365346332.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23364356321605 - 2¹⁵ = 23364356288837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16009132 + ... + 17407498.

It is an arithmetic number, because the mean of its divisors is an integer number (505677836160).

Almost surely, 2^{23364356321605} is an apocalyptic number.

It is an amenable number.

23364356321605 is a deficient number, since it is larger than the sum of its proper divisors (8999025192635).

23364356321605 is a wasteful number, since it uses less digits than its factorization.

23364356321605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398650.

The product of its (nonzero) digits is 6998400, while the sum is 49.

The spelling of 23364356321605 in words is "twenty-three trillion, three hundred sixty-four billion, three hundred fifty-six million, three hundred twenty-one thousand, six hundred five".