5145323 has 2 divisors, whose sum is σ = 5145324. Its totient is φ = 5145322.

The previous prime is 5145317. The next prime is 5145347. The reversal of 5145323 is 3235415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5145323 - 2²² = 951019 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5145313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572661 + 2572662.

It is an arithmetic number, because the mean of its divisors is an integer number (2572662).

Almost surely, 2^5145323 is an apocalyptic number.

5145323 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145323 is an equidigital number, since it uses as much as digits as its factorization.

5145323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 5145323 is about 2268.3304432997. The cubic root of 5145323 is about 172.6384577647.

It can be divided in two parts, 5 and 145323, that multiplied together give a triangular number (726615 = T₁₂₀₅).

The spelling of 5145323 in words is "five million, one hundred forty-five thousand, three hundred twenty-three".