102026381723 has 4 divisors (see below), whose sum is σ = 116601579120. Its totient is φ = 87451184328.

The previous prime is 102026381719. The next prime is 102026381741. The reversal of 102026381723 is 327183620201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102026381723 - 2² = 102026381719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102026381783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7287598688 + ... + 7287598701.

It is an arithmetic number, because the mean of its divisors is an integer number (29150394780).

Almost surely, 2^102026381723 is an apocalyptic number.

102026381723 is a deficient number, since it is larger than the sum of its proper divisors (14575197397).

102026381723 is an equidigital number, since it uses as much as digits as its factorization.

102026381723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575197396.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 102026381723 in words is "one hundred two billion, twenty-six million, three hundred eighty-one thousand, seven hundred twenty-three".