7900003423 has 16 divisors (see below), whose sum is σ = 8580096000. Its totient is φ = 7230394080.

The previous prime is 7900003421. The next prime is 7900003439. The reversal of 7900003423 is 3243000097.

It is not a de Polignac number, because 7900003423 - 2¹ = 7900003421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7900003391 and 7900003400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900003421) 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, 1643778 + ... + 1648576.

It is an arithmetic number, because the mean of its divisors is an integer number (536256000).

Almost surely, 2^7900003423 is an apocalyptic number.

7900003423 is a deficient number, since it is larger than the sum of its proper divisors (680092577).

7900003423 is a wasteful number, since it uses less digits than its factorization.

7900003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 7900003423 is about 88881.9634290332. The cubic root of 7900003423 is about 1991.6319889420.

The spelling of 7900003423 in words is "seven billion, nine hundred million, three thousand, four hundred twenty-three".