23809321897402 has 64 divisors (see below), whose sum is σ = 38744434584576. Its totient is φ = 10930543257600.

The previous prime is 23809321897399. The next prime is 23809321897423. The reversal of 23809321897402 is 20479812390832.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 621358348 + ... + 621396664.

It is an arithmetic number, because the mean of its divisors is an integer number (605381790384).

Almost surely, 2^{23809321897402} is an apocalyptic number.

23809321897402 is a deficient number, since it is larger than the sum of its proper divisors (14935112687174).

23809321897402 is a wasteful number, since it uses less digits than its factorization.

23809321897402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39631.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 23809321897402 in words is "twenty-three trillion, eight hundred nine billion, three hundred twenty-one million, eight hundred ninety-seven thousand, four hundred two".