5145623223 has 16 divisors (see below), whose sum is σ = 7823210976. Its totient is φ = 2980270080.

The previous prime is 5145623201. The next prime is 5145623233. The reversal of 5145623223 is 3223265415.

It is a happy number.

It is not a de Polignac number, because 5145623223 - 2²⁴ = 5128846007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145623233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879898 + ... + 3881223.

It is an arithmetic number, because the mean of its divisors is an integer number (488950686).

Almost surely, 2^5145623223 is an apocalyptic number.

5145623223 is a deficient number, since it is larger than the sum of its proper divisors (2677587753).

5145623223 is a wasteful number, since it uses less digits than its factorization.

5145623223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761154.

The product of its digits is 43200, while the sum is 33.

The square root of 5145623223 is about 71732.9995399607. Note that the first 3 decimals coincide. The cubic root of 5145623223 is about 1726.4181544364.

Adding to 5145623223 its reverse (3223265415), we get a palindrome (8368888638).

The spelling of 5145623223 in words is "five billion, one hundred forty-five million, six hundred twenty-three thousand, two hundred twenty-three".