78151700323323 has 24 divisors (see below), whose sum is σ = 123149879424000. Its totient is φ = 47363995485360.

The previous prime is 78151700323273. The next prime is 78151700323369. The reversal of 78151700323323 is 32332300715187.

78151700323323 is a `hidden beast` number, since 7 + 81 + 517 + 0 + 0 + 3 + 2 + 33 + 23 = 666.

It is not a de Polignac number, because 78151700323323 - 2⁹ = 78151700322811 is a prime.

It is a super-2 number, since 2×78151700323323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78151700323373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1469590 + ... + 12588212.

It is an arithmetic number, because the mean of its divisors is an integer number (5131244976000).

Almost surely, 2^{78151700323323} is an apocalyptic number.

78151700323323 is a deficient number, since it is larger than the sum of its proper divisors (44998179100677).

78151700323323 is a wasteful number, since it uses less digits than its factorization.

78151700323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11189639 (or 11189636 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 78151700323323 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred million, three hundred twenty-three thousand, three hundred twenty-three".