23173206735739 has 2 divisors, whose sum is σ = 23173206735740. Its totient is φ = 23173206735738.

The previous prime is 23173206735727. The next prime is 23173206735781. The reversal of 23173206735739 is 93753760237132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23173206735739 - 2¹³ = 23173206727547 is a prime.

It is a super-2 number, since 2×23173206735739² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23173266735739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586603367869 + 11586603367870.

It is an arithmetic number, because the mean of its divisors is an integer number (11586603367870).

Almost surely, 2^{23173206735739} is an apocalyptic number.

23173206735739 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173206735739 is an equidigital number, since it uses as much as digits as its factorization.

23173206735739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30005640, while the sum is 58.

The spelling of 23173206735739 in words is "twenty-three trillion, one hundred seventy-three billion, two hundred six million, seven hundred thirty-five thousand, seven hundred thirty-nine".