207834157323 has 24 divisors (see below), whose sum is σ = 327726325472. Its totient is φ = 126145911168.

The previous prime is 207834157303. The next prime is 207834157327. The reversal of 207834157323 is 323751438702.

It is a happy number.

207834157323 is a `hidden beast` number, since 2 + 0 + 78 + 3 + 4 + 1 + 573 + 2 + 3 = 666.

It is not a de Polignac number, because 207834157323 - 2²¹ = 207832060171 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (207834157327) 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, 12158311 + ... + 12175392.

Almost surely, 2^207834157323 is an apocalyptic number.

207834157323 is a deficient number, since it is larger than the sum of its proper divisors (119892168149).

207834157323 is a wasteful number, since it uses less digits than its factorization.

207834157323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24333795 (or 24333792 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 207834157323 in words is "two hundred seven billion, eight hundred thirty-four million, one hundred fifty-seven thousand, three hundred twenty-three".