165236023743 has 16 divisors (see below), whose sum is σ = 251794561536. Its totient is φ = 94418209440.

The previous prime is 165236023739. The next prime is 165236023763. The reversal of 165236023743 is 347320632561.

It is not a de Polignac number, because 165236023743 - 2² = 165236023739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165236023695 and 165236023704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165236023763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084830 + ... + 1227732.

It is an arithmetic number, because the mean of its divisors is an integer number (15737160096).

Almost surely, 2^165236023743 is an apocalyptic number.

165236023743 is a deficient number, since it is larger than the sum of its proper divisors (86558537793).

165236023743 is a wasteful number, since it uses less digits than its factorization.

165236023743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197974.

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 165236023743 in words is "one hundred sixty-five billion, two hundred thirty-six million, twenty-three thousand, seven hundred forty-three".