1540375423 has 8 divisors (see below), whose sum is σ = 1647801792. Its totient is φ = 1434817536.

The previous prime is 1540375279. The next prime is 1540375469. The reversal of 1540375423 is 3245730451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540375423 - 2⁹ = 1540374911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540375723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465415 + ... + 468712.

It is an arithmetic number, because the mean of its divisors is an integer number (205975224).

Almost surely, 2^1540375423 is an apocalyptic number.

1540375423 is a deficient number, since it is larger than the sum of its proper divisors (107426369).

1540375423 is an equidigital number, since it uses as much as digits as its factorization.

1540375423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934241.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1540375423 is about 39247.6167811499. The cubic root of 1540375423 is about 1154.8941821935.

The spelling of 1540375423 in words is "one billion, five hundred forty million, three hundred seventy-five thousand, four hundred twenty-three".