5423123431 has 16 divisors (see below), whose sum is σ = 6264840960. Its totient is φ = 4642634880.

The previous prime is 5423123429. The next prime is 5423123483. The reversal of 5423123431 is 1343213245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5423123431 - 2¹ = 5423123429 is a prime.

It is a super-2 number, since 2×5423123431² = 58820535495722423522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5423123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423153431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42786 + ... + 112591.

It is an arithmetic number, because the mean of its divisors is an integer number (391552560).

Almost surely, 2^5423123431 is an apocalyptic number.

5423123431 is a deficient number, since it is larger than the sum of its proper divisors (841717529).

5423123431 is a wasteful number, since it uses less digits than its factorization.

5423123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155574.

The product of its digits is 8640, while the sum is 28.

The square root of 5423123431 is about 73641.8592310107. The cubic root of 5423123431 is about 1756.9112741117.

Adding to 5423123431 its reverse (1343213245), we get a palindrome (6766336676).

The spelling of 5423123431 in words is "five billion, four hundred twenty-three million, one hundred twenty-three thousand, four hundred thirty-one".