11601620423 has 2 divisors, whose sum is σ = 11601620424. Its totient is φ = 11601620422.

The previous prime is 11601620399. The next prime is 11601620441. The reversal of 11601620423 is 32402610611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11601620423 - 2¹⁴ = 11601604039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11601620392 and 11601620401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11601625423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800810211 + 5800810212.

It is an arithmetic number, because the mean of its divisors is an integer number (5800810212).

Almost surely, 2^11601620423 is an apocalyptic number.

11601620423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601620423 is an equidigital number, since it uses as much as digits as its factorization.

11601620423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 11601620423 in words is "eleven billion, six hundred one million, six hundred twenty thousand, four hundred twenty-three".