20023454179 has 2 divisors, whose sum is σ = 20023454180. Its totient is φ = 20023454178.

The previous prime is 20023454137. The next prime is 20023454183. The reversal of 20023454179 is 97145432002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023454179 - 2⁷ = 20023454051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023464179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011727089 + 10011727090.

It is an arithmetic number, because the mean of its divisors is an integer number (10011727090).

Almost surely, 2^20023454179 is an apocalyptic number.

20023454179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023454179 is an equidigital number, since it uses as much as digits as its factorization.

20023454179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20023454179 in words is "twenty billion, twenty-three million, four hundred fifty-four thousand, one hundred seventy-nine".