11454440623 has 2 divisors, whose sum is σ = 11454440624. Its totient is φ = 11454440622.

The previous prime is 11454440609. The next prime is 11454440651. The reversal of 11454440623 is 32604445411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11454440623 - 2³³ = 2864506031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454440653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727220311 + 5727220312.

It is an arithmetic number, because the mean of its divisors is an integer number (5727220312).

Almost surely, 2^11454440623 is an apocalyptic number.

11454440623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454440623 is an equidigital number, since it uses as much as digits as its factorization.

11454440623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 11454440623 in words is "eleven billion, four hundred fifty-four million, four hundred forty thousand, six hundred twenty-three".