5438812923 has 6 divisors (see below), whose sum is σ = 7856063124. Its totient is φ = 3625875276.

The previous prime is 5438812867. The next prime is 5438812931. The reversal of 5438812923 is 3292188345.

5438812923 is a `hidden beast` number, since 543 + 8 + 8 + 12 + 92 + 3 = 666.

It is not a de Polignac number, because 5438812923 - 2¹⁶ = 5438747387 is a prime.

It is a super-2 number, since 2×5438812923² = 59161372022783607858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5438812993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302156265 + ... + 302156282.

It is an arithmetic number, because the mean of its divisors is an integer number (1309343854).

Almost surely, 2^5438812923 is an apocalyptic number.

5438812923 is a deficient number, since it is larger than the sum of its proper divisors (2417250201).

5438812923 is a wasteful number, since it uses less digits than its factorization.

5438812923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604312553 (or 604312550 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 5438812923 is about 73748.3079331316. The cubic root of 5438812923 is about 1758.6039336901.

The spelling of 5438812923 in words is "five billion, four hundred thirty-eight million, eight hundred twelve thousand, nine hundred twenty-three".