28373600623 has 2 divisors, whose sum is σ = 28373600624. Its totient is φ = 28373600622.

The previous prime is 28373600621. The next prime is 28373600663. The reversal of 28373600623 is 32600637382.

It is an a-pointer prime, because the next prime (28373600663) can be obtained adding 28373600623 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28373600623 - 2¹ = 28373600621 is a prime.

It is a super-2 number, since 2×28373600623² (a number of 22 digits) contains 22 as substring.

Together with 28373600621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28373600621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14186800311 + 14186800312.

It is an arithmetic number, because the mean of its divisors is an integer number (14186800312).

Almost surely, 2^28373600623 is an apocalyptic number.

28373600623 is a deficient number, since it is larger than the sum of its proper divisors (1).

28373600623 is an equidigital number, since it uses as much as digits as its factorization.

28373600623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 28373600623 in words is "twenty-eight billion, three hundred seventy-three million, six hundred thousand, six hundred twenty-three".