512023623123 has 16 divisors (see below), whose sum is σ = 689664058272. Its totient is φ = 337868160000.

The previous prime is 512023623103. The next prime is 512023623131. The reversal of 512023623123 is 321326320215.

It is not a de Polignac number, because 512023623123 - 2¹⁷ = 512023492051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (512023623103) 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, 766993 + ... + 1269773.

It is an arithmetic number, because the mean of its divisors is an integer number (43104003642).

Almost surely, 2^512023623123 is an apocalyptic number.

512023623123 is a deficient number, since it is larger than the sum of its proper divisors (177640435149).

512023623123 is a wasteful number, since it uses less digits than its factorization.

512023623123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506246.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 512023623123 its reverse (321326320215), we get a palindrome (833349943338).

The spelling of 512023623123 in words is "five hundred twelve billion, twenty-three million, six hundred twenty-three thousand, one hundred twenty-three".