23402613753405 has 24 divisors (see below), whose sum is σ = 40579075194840. Its totient is φ = 12476918712960.

The previous prime is 23402613753401. The next prime is 23402613753413. The reversal of 23402613753405 is 50435731620432.

It is a happy number.

23402613753405 is a `hidden beast` number, since 2 + 3 + 40 + 26 + 137 + 53 + 405 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1274489718489 + 22128124034916 = 1128933^2 + 4704054^2 .

It is not a de Polignac number, because 23402613753405 - 2² = 23402613753401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402613753401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93108286 + ... + 93359295.

It is an arithmetic number, because the mean of its divisors is an integer number (1690794799785).

Almost surely, 2^{23402613753405} is an apocalyptic number.

It is an amenable number.

23402613753405 is a deficient number, since it is larger than the sum of its proper divisors (17176461441435).

23402613753405 is a wasteful number, since it uses less digits than its factorization.

23402613753405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186470381 (or 186470378 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 23402613753405 in words is "twenty-three trillion, four hundred two billion, six hundred thirteen million, seven hundred fifty-three thousand, four hundred five".