102436445623 has 4 divisors (see below), whose sum is σ = 102439104120. Its totient is φ = 102433787128.

The previous prime is 102436445599. The next prime is 102436445627. The reversal of 102436445623 is 326544634201.

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 102436445623 - 2¹⁷ = 102436314551 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 (102436445627) 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, 1270588 + ... + 1348801.

It is an arithmetic number, because the mean of its divisors is an integer number (25609776030).

Almost surely, 2^102436445623 is an apocalyptic number.

102436445623 is a deficient number, since it is larger than the sum of its proper divisors (2658497).

102436445623 is an equidigital number, since it uses as much as digits as its factorization.

102436445623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658496.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 102436445623 in words is "one hundred two billion, four hundred thirty-six million, four hundred forty-five thousand, six hundred twenty-three".