2153217023 has 2 divisors, whose sum is σ = 2153217024. Its totient is φ = 2153217022.

The previous prime is 2153217019. The next prime is 2153217083. The reversal of 2153217023 is 3207123512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153217023 - 2² = 2153217019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153216983 and 2153217001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153217083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076608511 + 1076608512.

It is an arithmetic number, because the mean of its divisors is an integer number (1076608512).

Almost surely, 2^2153217023 is an apocalyptic number.

2153217023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153217023 is an equidigital number, since it uses as much as digits as its factorization.

2153217023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2153217023 is about 46402.7695617406. The cubic root of 2153217023 is about 1291.3062950897.

The spelling of 2153217023 in words is "two billion, one hundred fifty-three million, two hundred seventeen thousand, twenty-three".