102372723413 has 4 divisors (see below), whose sum is σ = 104869619148. Its totient is φ = 99875827680.

The previous prime is 102372723371. The next prime is 102372723433. The reversal of 102372723413 is 314327273201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314327273201 = 641 ⋅490370161.

It can be written as a sum of positive squares in 2 ways, for example, as 28575197764 + 73797525649 = 169042^2 + 271657^2 .

It is a cyclic number.

It is not a de Polignac number, because 102372723413 - 2²⁶ = 102305614549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102372723433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248447806 + ... + 1248447887.

It is an arithmetic number, because the mean of its divisors is an integer number (26217404787).

Almost surely, 2^102372723413 is an apocalyptic number.

It is an amenable number.

102372723413 is a deficient number, since it is larger than the sum of its proper divisors (2496895735).

102372723413 is an equidigital number, since it uses as much as digits as its factorization.

102372723413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496895734.

The product of its (nonzero) digits is 42336, while the sum is 35.

Adding to 102372723413 its reverse (314327273201), we get a palindrome (416699996614).

The spelling of 102372723413 in words is "one hundred two billion, three hundred seventy-two million, seven hundred twenty-three thousand, four hundred thirteen".