2172372023 has 2 divisors, whose sum is σ = 2172372024. Its totient is φ = 2172372022.

The previous prime is 2172371987. The next prime is 2172372127. The reversal of 2172372023 is 3202732712.

It is a happy number.

2172372023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2172372023 - 2⁶ = 2172371959 is a prime.

It is a super-2 number, since 2×2172372023² = 9438400412626225058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172302023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086186011 + 1086186012.

It is an arithmetic number, because the mean of its divisors is an integer number (1086186012).

Almost surely, 2^2172372023 is an apocalyptic number.

2172372023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172372023 is an equidigital number, since it uses as much as digits as its factorization.

2172372023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 2172372023 is about 46608.7118787894. The cubic root of 2172372023 is about 1295.1241460566.

The spelling of 2172372023 in words is "two billion, one hundred seventy-two million, three hundred seventy-two thousand, twenty-three".